IndyMac INABS 2007-B

Mortgage Pass-Through Certificates

November 26, 2007 Distribution

External Parties

Table of Contents

Page

Seller

1. Certificate Payment Report

IndyMac Bank

2. Collection Account Report

3. Credit Enhancement Report

Underwriter(s)

4. Collateral Report

Lehman Brothers

5. Delinquency Report

6. REO Report

Swap Counterparty

7. Foreclosure Report

Bear Stearns & Co.

8. Prepayment Report

9. Prepayment Detail Report

10. Realized Loss Report

11. Triggers and Adj. Cert. Report

12. Additional Certificate Report

13. Other Related Information

Total Number of Pages

Dates

Contacts

Cut-Off Date:

June 01, 2007

Marion Hogan

Close Date:

June 12, 2007

Administrator

First Distribution Date:

July 25, 2007

(714) 247-6282

marion.c.hogan@db.com

Address:

Distribution Date:

November 26, 2007

1761 East St. Andrew Place, Santa Ana, CA 92705

Record Date:

October 31, 2007

Factor Information:

(800) 735-7777

November 23, 2007

Main Phone Number:

(714) 247-6000

Determination Date:

November 15, 2007

https://tss.sfs.db.com/investpublic

Page 1 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution

Certificate Payment Report
Current Period Distribution -
			Prior						Current
			Prior

	Class	Original	Principal			Total	Realized	Deferred	Principal

Class	Type	Face Value	Balance	Interest	Principal	Distribution	Loss	Interest	Balance
			(1)	(2)	(3)	(4)=(2)+(3)	(5)	(6)	(7)=(1)-(3)-(5)+(6)
1A-1	SR	129,689,000.00	123,170,953.23	554,269.29	2,326,854.62	2,881,123.91	0.00	0.00	120,844,098.61
1A-1	SR	129,689,000.00	123,170,953.23	554,269.29	2,326,854.62	2,881,123.91	0.00	0.00	120,844,098.61
1A-2	SR	129,689,000.00	123,170,953.24	554,269.29	2,326,854.63	2,881,123.92	0.00	0.00	120,844,098.61
2A-1	SR	236,092,000.00	206,987,848.33	911,206.51	10,387,040.88	11,298,247.39	0.00	0.00	196,600,807.45
2A-2	SR	112,167,000.00	112,167,000.00	501,760.38	0.00	501,760.38	0.00	0.00	112,167,000.00
2A-3	SR	98,651,000.00	98,651,000.00	444,806.40	0.00	444,806.40	0.00	0.00	98,651,000.00
2A-4	SR	33,711,000.00	33,711,000.00	153,797.07	0.00	153,797.07	0.00	0.00	33,711,000.00
M-1	MEZ	55,500,000.00	55,500,000.00	255,670.00	0.00	255,670.00	0.00	0.00	55,500,000.00
M-2	MEZ	52,000,000.00	52,000,000.00	240,008.89	0.00	240,008.89	0.00	0.00	52,000,000.00
M-3	MEZ	14,000,000.00	14,000,000.00	64,866.67	0.00	64,866.67	0.00	0.00	14,000,000.00
M-4	MEZ	17,500,000.00	17,500,000.00	84,350.00	0.00	84,350.00	0.00	0.00	17,500,000.00
M-5	MEZ	16,500,000.00	16,500,000.00	81,730.00	0.00	81,730.00	0.00	0.00	16,500,000.00
M-6	MEZ	8,500,000.00	8,500,000.00	43,992.22	0.00	43,992.22	0.00	0.00	8,500,000.00
M-7	MEZ	13,500,000.00	13,500,000.00	76,470.00	0.00	76,470.00	0.00	0.00	13,500,000.00
M-8	MEZ	11,000,000.00	11,000,000.00	69,642.22	0.00	69,642.22	0.00	0.00	11,000,000.00
M-9	MEZ	14,500,000.00	14,500,000.00	95,023.33	0.00	95,023.33	0.00	0.00	14,500,000.00
M-10	MEZ	16,500,000.00	16,500,000.00	108,130.00	0.00	108,130.00	0.00	0.00	16,500,000.00
M-11	MEZ	16,000,000.00	16,000,000.00	104,853.33	0.00	104,853.33	0.00	0.00	16,000,000.00
P	NOF	100.00	100.00	144,314.28	0.00	144,314.28	0.00	0.00	100.00
C	RES	24,500,900.00	24,500,000.00	2,480,729.26	0.00	2,480,729.26	0.00	0.00	24,500,000.00
L	NOF	0.00	0.00	59,106.59	0.00	59,106.59	0.00	0.00	0.00
R	NPR	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00


Total		1,000,000,000.00	957,858,854.80	7,028,995.73	15,040,750.13	22,069,745.86	0.00	0.00	942,818,104.67
Total





Page 2 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution


Interest Accrual Detail Current Period Factor Information per $1,000 of Original Face Value
					Orig. Principal	Prior				Current
					Orig. Principal	Prior				Current
	Period	Period			(with Notional)	Principal			Total	Principal
Class	Starting	Ending	Method	Cusip	Balance	Balance	Interest	Principal	Distribution	Balance
			Method
					(1)	(1)	(2)	(3)	(4)=(2)+(3)	(5)

1A-1	10/25/07	11/25/07	A-Act/360	43710EAA8	129,689,000.00	949.740944	4.273834	17.941804	22.215638	931.799140
1A-1	10/25/07	11/25/07	A-Act/360	43710EAA8	129,689,000.00	949.740944	4.273834	17.941804	22.215638	931.799140
1A-2	10/25/07	11/25/07	A-Act/360	43710EAB6	129,689,000.00	949.740944	4.273834	17.941804	22.215638	931.799140
2A-1	10/25/07	11/25/07	A-Act/360	43710EAC4	236,092,000.00	876.725380	3.859540	43.995734	47.855274	832.729645
2A-2	10/25/07	11/25/07	A-Act/360	43710EAD2	112,167,000.00	1,000.000000	4.473333	0.000000	4.473333	1,000.000000
2A-3	10/25/07	11/25/07	A-Act/360	43710EAE0	98,651,000.00	1,000.000000	4.508889	0.000000	4.508889	1,000.000000
2A-4	10/25/07	11/25/07	A-Act/360	43710EAF7	33,711,000.00	1,000.000000	4.562222	0.000000	4.562222	1,000.000000
M-1	10/25/07	11/25/07	A-Act/360	43710EAG5	55,500,000.00	1,000.000000	4.606667	0.000000	4.606667	1,000.000000
M-2	10/25/07	11/25/07	A-Act/360	43710EAH3	52,000,000.00	1,000.000000	4.615556	0.000000	4.615556	1,000.000000
M-3	10/25/07	11/25/07	A-Act/360	43710EAJ9	14,000,000.00	1,000.000000	4.633334	0.000000	4.633334	1,000.000000
M-4	10/25/07	11/25/07	A-Act/360	43710EAK6	17,500,000.00	1,000.000000	4.820000	0.000000	4.820000	1,000.000000
M-5	10/25/07	11/25/07	A-Act/360	43710EAL4	16,500,000.00	1,000.000000	4.953333	0.000000	4.953333	1,000.000000
M-6	10/25/07	11/25/07	A-Act/360	43710EAM2	8,500,000.00	1,000.000000	5.175555	0.000000	5.175555	1,000.000000
M-7	10/25/07	11/25/07	A-Act/360	43710EAN0	13,500,000.00	1,000.000000	5.664444	0.000000	5.664444	1,000.000000
M-8	10/25/07	11/25/07	A-Act/360	43710EAP5	11,000,000.00	1,000.000000	6.331111	0.000000	6.331111	1,000.000000
M-9	10/25/07	11/25/07	A-Act/360	43710EAQ3	14,500,000.00	1,000.000000	6.553333	0.000000	6.553333	1,000.000000
M-10	10/25/07	11/25/07	A-Act/360	43710EAR1	16,500,000.00	1,000.000000	6.553333	0.000000	6.553333	1,000.000000
M-11	10/25/07	11/25/07	A-Act/360	43710EAS9	16,000,000.00	1,000.000000	6.553333	0.000000	6.553333	1,000.000000
P		IN07S2102	100.00	1,000.000000	1,443,142.800000	0.000000	1,443,142.800000	1,000.000000
C		IN07S2101	24,500,900.00	999.963267	101.250536	0.000000	101.250536	999.963267
L		IN07S2103	0.00	0.000000	0.000000	0.000000	0.000000	0.000000
R		IN07S2104	0.00	0.000000	0.000000	0.000000	0.000000	0.000000




Page 3 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution


Distribution to Date -
									Current


	Original		Unscheduled	Scheduled	Total	Total	Realized	Deferred	Principal

Class	Face Value	Interest	Principal	Principal	Principal	Distribution	Loss	Interest	Balance
(1)	(2)	(3)	(4)	(5)=(3)+(4)	(6)=(2)+(5)	(7)	(8)	(9)=(1)-(5)-(7)+(8)
1A-1	129,689,000.00	3,183,187.36	8,558,240.98	286,660.41	8,844,901.39	12,028,088.75	0.00	0.00	120,844,098.61
1A-2	129,689,000.00	3,183,187.36	8,558,240.97	286,660.41	8,844,901.39	12,028,088.75	0.00	0.00	120,844,098.61
2A-1	236,092,000.00	5,442,769.58	38,256,562.33	1,234,630.22	39,491,192.55	44,933,962.13	0.00	0.00	196,600,807.45
2A-2	112,167,000.00	2,805,814.90	0.00	0.00	0.00	2,805,814.90	0.00	0.00	112,167,000.00
2A-3	98,651,000.00	2,486,022.23	0.00	0.00	0.00	2,486,022.23	0.00	0.00	98,651,000.00
2A-4	33,711,000.00	858,905.76	0.00	0.00	0.00	858,905.76	0.00	0.00	33,711,000.00
M-1	55,500,000.00	1,426,929.50	0.00	0.00	0.00	1,426,929.50	0.00	0.00	55,500,000.00
M-2	52,000,000.00	1,339,355.14	0.00	0.00	0.00	1,339,355.14	0.00	0.00	52,000,000.00
M-3	14,000,000.00	361,894.49	0.00	0.00	0.00	361,894.49	0.00	0.00	14,000,000.00
M-4	17,500,000.00	469,415.73	0.00	0.00	0.00	469,415.73	0.00	0.00	17,500,000.00
M-5	16,500,000.00	454,073.02	0.00	0.00	0.00	454,073.02	0.00	0.00	16,500,000.00
M-6	8,500,000.00	243,773.87	0.00	0.00	0.00	243,773.87	0.00	0.00	8,500,000.00
M-7	13,500,000.00	421,613.43	0.00	0.00	0.00	421,613.43	0.00	0.00	13,500,000.00
M-8	11,000,000.00	381,807.05	0.00	0.00	0.00	381,807.05	0.00	0.00	11,000,000.00
M-9	14,500,000.00	520,106.80	0.00	0.00	0.00	520,106.80	0.00	0.00	14,500,000.00
M-10	16,500,000.00	591,845.67	0.00	0.00	0.00	591,845.67	0.00	0.00	16,500,000.00
M-11	16,000,000.00	573,910.96	0.00	0.00	0.00	573,910.96	0.00	0.00	16,000,000.00
P	100.00	360,475.25	0.00	0.00	0.00	360,475.25	0.00	0.00	100.00
C	24,500,900.00	9,768,372.73	879.21	20.79	900.00	9,769,272.73	0.00	0.00	24,500,000.00
L	0.00	112,299.24	0.00	0.00	0.00	112,299.24	0.00	0.00	0.00
R	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00

Total	1,000,000,000.00	34,985,760.07	55,373,923.49	1,807,971.83	57,181,895.33	92,167,655.40	0.00	0.00	942,818,104.67


Interest Detail -
	Pass	Prior Principal		Non-	Prior	Unscheduled		Paid or	Current
	Pass	Prior Principal		Non-	Prior	Unscheduled		Paid or

	Through	(with Notional)	Accrued	Supported	Unpaid	Interest	Optimal	Deferred	Unpaid

Class	Rate	Balance	Interest	Interest SF	Interest	Adjustment	Interest	Interest	Interest
			(1)	(2)	(3)	(4)	(5)=(1)-(2)+(3)+(4)	(6)	(7)=(5)-(6)
1A-1	5.06250%	123,170,953.23	554,269.29	0.00	0.00	0.00	554,269.29	554,269.29	0.00
1A-2	5.06250%	123,170,953.24	554,269.29	0.00	0.00	0.00	554,269.29	554,269.29	0.00
2A-1	4.95250%	206,987,848.33	911,206.51	0.00	0.00	0.00	911,206.51	911,206.51	0.00
2A-2	5.03250%	112,167,000.00	501,760.38	0.00	0.00	0.00	501,760.38	501,760.38	0.00
2A-3	5.07250%	98,651,000.00	444,806.40	0.00	0.00	0.00	444,806.40	444,806.40	0.00
2A-4	5.13250%	33,711,000.00	153,797.07	0.00	0.00	0.00	153,797.07	153,797.07	0.00
M-1	5.18250%	55,500,000.00	255,670.00	0.00	0.00	0.00	255,670.00	255,670.00	0.00
M-2	5.19250%	52,000,000.00	240,008.89	0.00	0.00	0.00	240,008.89	240,008.89	0.00
M-3	5.21250%	14,000,000.00	64,866.67	0.00	0.00	0.00	64,866.67	64,866.67	0.00
M-4	5.42250%	17,500,000.00	84,350.00	0.00	0.00	0.00	84,350.00	84,350.00	0.00
M-5	5.57250%	16,500,000.00	81,730.00	0.00	0.00	0.00	81,730.00	81,730.00	0.00
M-6	5.82250%	8,500,000.00	43,992.22	0.00	0.00	0.00	43,992.22	43,992.22	0.00
M-7	6.37250%	13,500,000.00	76,470.00	0.00	0.00	0.00	76,470.00	76,470.00	0.00
M-8	7.12250%	11,000,000.00	69,642.22	0.00	0.00	0.00	69,642.22	69,642.22	0.00
M-9	7.37250%	14,500,000.00	95,023.33	0.00	0.00	0.00	95,023.33	95,023.33	0.00
M-10	7.37250%	16,500,000.00	108,130.00	0.00	0.00	0.00	108,130.00	108,130.00	0.00
M-11	7.37250%	16,000,000.00	104,853.33	0.00	0.00	0.00	104,853.33	104,853.33	0.00
P	0.00000%	100.00	0.00	0.00	0.00	0.00	0.00	144,314.28	0.00
C	121.50511%	24,500,000.00	0.00	2,184.34	0.00	0.00	-2,184.34	2,480,729.26	0.00
L	0.00000%	0.00	0.00	0.00	0.00	0.00	0.00	59,106.59	0.00
R	0.00000%	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00


Total		957,858,854.80	4,344,845.60	2,184.34	0.00	0.00	4,342,661.26	7,028,995.73	0.00



Page 4 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution

Collection Account Report
SUMMARY

	Group 2	Group 1	Total
Principal Collections	10,387,040.88	4,653,709.25	15,040,750.13
Principal Withdrawals	0.00	0.00	0.00
Principal Other Accounts	0.00	0.00	0.00
TOTAL NET PRINCIPAL	10,387,040.88	4,653,709.25	15,040,750.13
Interest Collections	4,535,337.67	2,478,957.03	7,014,294.70
Interest Withdrawals	-0.00	-0.00	-0.00
Interest Other Accounts	98,181.10	46,133.18	298,526.68
Interest Fees	-119,866.25	-68,853.60	-188,719.85
TOTAL NET INTEREST	4,613,771.89	2,510,329.64	7,124,101.53
TOTAL AVAILABLE FUNDS FOR DISTRIBUTION	15,000,812.77	7,164,038.89	22,164,851.66




PRINCIPAL - COLLECTIONS

	Group 2	Group 1	Total
Scheduled Principal Received	225,133.58	134,855.41	359,988.99
Prepayments In Full	10,133,729.19	4,513,895.77	14,647,624.96
Curtailments	28,178.11	4,958.07	33,136.18
Liquidations	0.00	0.00	0.00
Insurance Principal	0.00	0.00	0.00
Repurchased Principal Amounts	0.00	0.00	0.00
Other Principal	0.00	0.00	0.00
Total Realized Loss Of Principal	-0.00	-0.00	-0.00
Delinquent Principal	-118,260.39	-68,869.38	-187,129.77
Advanced Principal	118,260.39	68,869.38	187,129.77
TOTAL PRINCIPAL COLLECTED	10,387,040.88	4,653,709.25	15,040,750.13




PRINCIPAL - WITHDRAWALS

SPACE INTENTIONALLY LEFT BLANK




PRINCIPAL - OTHER ACCOUNTS

	Group 2	Group 1	Total
TOTAL OTHER ACCOUNTS PRINCIPAL	0.00	0.00	0.00






Page 5 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution


INTEREST - COLLECTIONS

	Group 2	Group 1	Total
Scheduled Interest	4,676,905.42	2,551,733.06	7,228,638.48
Liquidation Interest	0.00	0.00	0.00
Repurchased Interest	0.00	0.00	0.00
Insurance Interest	0.00	0.00	0.00
Other Interest	0.00	0.00	0.00
Relief Act Interest Shortfalls	-1,743.95	-440.39	-2,184.34
Prepayment Interest Shortfalls	-9,517.25	-3,603.02	-13,120.27
Compensating Interest	9,517.25	3,603.01	13,120.27
Delinquent Interest	-2,595,520.61	-1,338,960.82	-3,934,481.43
Interest Advanced	2,455,871.82	1,266,625.17	3,722,496.99
Interest Loss	-175.00	-0.00	-175.00
TOTAL INTEREST COLLECTED	4,535,337.67	2,478,957.03	7,014,294.70




INTEREST - WITHDRAWALS

	Group 2	Group 1	Total
Non Recoverable Advance	0.00	0.00	0.00
Servicing Advance	0.00	0.00	0.00
TOTAL INTEREST WITHDRAWALS	0.00	0.00	0.00




INTEREST - OTHER ACCOUNTS
INTEREST - OTHER ACCOUNTS
	Group 2	Group 1	Total
Prepayment Charges	98,181.10	46,133.18	144,314.28
Withdrawl from Interest Coverage Account	0.00	0.00	0.00
Reserve Fund Investment Income			0.00

Payments to and from the Supplemental Interest Trust			95,105.81
a) Interest Rate Swap Receipt			3,844,173.34
b) Interest Rate Swap Payment			(3,749,067.53)
c) Swap Termination Payment			0.00
d) Cap Payment			0.00
Late Payment Fee waived	1,896.65	896.71	2,793.36
Late Payment Fee paid by the servicer	38,589.51	20,517.08	59,106.59

TOTAL INTEREST OTHER ACCOUNTS	98,181.10	46,133.18	298,526.68





Page 6 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution


INTEREST FEES
INTEREST FEES
	Group 2	Group 1	Total
Current Servicing Fees	118,832.32	68,291.09	187,123.42
Current Trustee Fees	1,033.92	562.51	1,596.43
Current PMI Fees	0.00	0.00	0.00

TOTAL INTEREST OTHER FEES	119,866.25	68,853.60	188,719.85



Page 7 of 35

IndyMac INABS 2007-B

Mortgage Pass-Through Certificates

November 26, 2007 Distribution

Credit Enhancement Report

ACCOUNTS

EXCESS RESERVE ACCOUNT

Beginning Account Balance

0.00

Account Deposit

0.00

Account Payment Due

0.00

Account Withdrawal

0.00

Ending Account Balance

0.00

SUPPLEMENTAL INTEREST TRUST

Beginning Account Balance

0.00

Account Deposit

95,105.81

Account Payment Due

0.00

Account Withdrawal

95,105.81

Ending Account Balance

0.00

INSURANCE

SPACE INTENTIONALLY LEFT BLANK

STRUCTURAL FEATURES

Group 2

Group 1

Total

Overcollateralized Amount - Prior Period

24,500,000.00

Current Period Principal Realized Loss

0.00

Overcollateralized Amount - After Current Losses

24,500,000.00

Net Monthly Excess Cashflow

2,480,729.26

Overcollateralization Increase Amount

0.00

Overcollateralization Release Amount

0.00

Overcollateralization Amount - Ending

24,500,000.00

Required Overcollateralized Amount

24,500,000.00

Overcollateralization Deficiency Amount

0.00

Credit Enhancement Percentage

27.5769%

Page 8 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution

Collateral Report


COLLATERAL



		Group 2	Group 1	Total



Loan Count:
Loan Count:


Original	3,191	1,940	5,131
Prior	3,067	1,873	4,940
Prefunding	0	0	0
Scheduled Paid Offs	-0	-0	-0
Full Voluntary Prepayments	-53	-25	-78
Repurchases	-0	-0	-0
Liquidations	-0	-0	-0
Current	3,014	1,848	4,862
Principal Balance:


Original	649,479,106.23	350,490,855.58	999,969,961.81
Prior	620,354,683.10	337,504,171.70	957,858,854.80
Prefunding	0.00	0.00	0.00
Scheduled Principal	-225,133.58	-134,855.41	-359,988.99
Partial Prepayments	-28,178.11	-4,958.07	-33,136.18
Full Voluntary Prepayments	-10,133,729.19	-4,513,895.77	-14,647,624.96
Repurchases	-0.00	-0.00	-0.00
Liquidations	-0.00	-0.00	-0.00
Current	609,967,642.22	332,850,462.45	942,818,104.67





PREFUNDING

	Group 2	Group 1	Total
Prefunding Beginning Balance	0.00	0.00	0.00
Prefunding Delivery Amount	0.00	0.00	0.00
Prefund Release to Certificate Holders	0.00	0.00	0.00
Prefunding Ending Balance	0.00	0.00	0.00

Page 9 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution


CHARACTERISTICS
CHARACTERISTICS

	Group 2	Group 1	Total
Weighted Average Coupon Original	8.73124%	8.80098%	8.75569%
Weighted Average Coupon Prior	9.04842%	9.07601%	9.05816%
Weighted Average Coupon Current	9.04690%	9.07272%	9.05600%
Weighted Average Months to Maturity Original	354	356	355
Weighted Average Months to Maturity Prior	351	353	352
Weighted Average Months to Maturity Current	350	352	351
Weighted Avg Remaining Amortization Term Original	387	400	392
Weighted Avg Remaining Amortization Term Prior	384	397	389
Weighted Avg Remaining Amortization Term Current	383	396	388
Weighted Average Seasoning Original	2.63	2.81	2.70
Weighted Average Seasoning Prior	5.58	5.78	5.65
Weighted Average Seasoning Current	6.59	6.78	6.66

Page 10 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution


ARM CHARACTERISTICS
ARM CHARACTERISTICS

	Group 2	Group 1	Total
Weighted Average Margin Original	5.76861%	5.89483%	5.81534%
Weighted Average Margin Prior	5.77799%	5.89736%	5.82259%
Weighted Average Margin Current	5.77699%	5.89769%	5.82199%
Weighted Average Max Rate Original	14.71026%	15.06826%	14.84282%
Weighted Average Max Rate Prior	14.71131%	15.06187%	14.84228%
Weighted Average Max Rate Current	14.70899%	15.05829%	14.83922%
Weighted Average Min Rate Original	5.86423%	6.00098%	5.91487%
Weighted Average Min Rate Prior	5.87440%	5.99783%	5.92051%
Weighted Average Min Rate Current	5.87206%	5.99514%	5.91795%
Weighted Average Cap Up Original	1.42229%	1.26895%	1.36552%
Weighted Average Cap Up Prior	1.42473%	1.26605%	1.36544%
Weighted Average Cap Up Current	1.42528%	1.26518%	1.36559%
Weighted Average Cap Down Original	1.42229%	1.26895%	1.36552%
Weighted Average Cap Down Prior	1.42473%	1.26605%	1.36544%
Weighted Average Cap Down Current	1.42528%	1.26518%	1.36559%




SERVICING FEES & ADVANCES
SERVICING FEES & ADVANCES

	Group 2	Group 1	Total




Current Servicing Fees	118,832.32	68,291.09	187,123.42
Delinquent Servicing Fees	139,648.79	72,335.65	211,984.44
TOTAL SERVICING FEES	258,481.12	140,626.74	399,107.86


Compensating Interest	-9,517.25	-3,603.01	-13,120.27
Delinquent Servicing Fees	-139,648.79	-72,335.65	-211,984.44
COLLECTED SERVICING FEES	118,832.33	64,688.08	174,003.16


Total Advanced Interest	2,455,871.82	1,266,625.17	3,722,496.99
Total Advanced Principal	118,260.39	68,869.38	187,129.77
Aggregate Advances with respect to this Distribution	2,574,132.21	1,335,494.55	3,909,626.76





ADDITIONAL COLLATERAL INFORMATION
ADDITIONAL COLLATERAL INFORMATION
	Group 2	Group 1	Total
Prepayment Interest Shortfall (PPIS)	9,517.25	3,603.02	13,120.27
Compensating Interest	(9,517.25)	(3,603.01)	(13,120.27)
Net Prepayment Interest Shortfall	0.00	0.00	0.00
Weighted Average Net Mortgage Rate	8.928149%	8.927072%	8.927769%





Page 11 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution

Delinquency Report

TOTAL
		< 1 PAYMENT	1 PAYMENT	2 PAYMENTS	3+ PAYMENTS	TOTAL
DELINQUENT	Balance		54,388,156.47	38,681,342.13	9,696,875.12	102,766,373.72
	% Balance		5.77%	4.10%	1.03%	10.90%
	# Loans		276	170	48	494
	% # Loans		5.68%	3.50%	0.99%	10.16%
FORECLOSURE	Balance	0.00	0.00	317,403.96	36,126,230.42	36,443,634.38
	% Balance	0.00%	0.00%	0.03%	3.83%	3.87%
	# Loans	0	0	1	170	171
	% # Loans	0.00%	0.00%	0.02%	3.50%	3.52%
BANKRUPTCY	Balance	389,574.48	140,718.31	184,231.04	1,020,216.60	1,734,740.43
	% Balance	0.04%	0.01%	0.02%	0.11%	0.18%
	# Loans	3	1	1	6	11
	% # Loans	0.06%	0.02%	0.02%	0.12%	0.23%
REO	Balance	0.00	0.00	0.00	591,249.22	591,249.22
	% Balance	0.00%	0.00%	0.00%	0.06%	0.06%
	# Loans	0	0	0	4	4
	% # Loans	0.00%	0.00%	0.00%	0.08%	0.08%
TOTAL	Balance	389,574.48	54,528,874.78	39,182,977.13	47,434,571.36	141,535,997.75
	% Balance	0.04%	5.78%	4.16%	5.03%	15.01%
	# Loans	3	277	172	228	680
	% # Loans	0.06%	5.70%	3.54%	4.69%	13.99%

Page 12 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution


GROUP 1
		< 1 PAYMENT	1 PAYMENT	2 PAYMENTS	3+ PAYMENTS	TOTAL
DELINQUENT	Balance		17,356,160.41	12,181,854.87	3,233,276.75	32,771,292.03
	% Balance		5.21%	3.66%	0.97%	9.85%
	# Loans		108	64	20	192
	% # Loans		5.84%	3.46%	1.08%	10.39%
FORECLOSURE	Balance	0.00	0.00	317,403.96	13,256,778.81	13,574,182.77
	% Balance	0.00%	0.00%	0.10%	3.98%	4.08%
	# Loans	0	0	1	67	68
	% # Loans	0.00%	0.00%	0.05%	3.63%	3.68%
BANKRUPTCY	Balance	254,672.46	140,718.31	184,231.04	354,910.88	934,532.69
	% Balance	0.08%	0.04%	0.06%	0.11%	0.28%
	# Loans	2	1	1	3	7
	% # Loans	0.11%	0.05%	0.05%	0.16%	0.38%
REO	Balance	0.00	0.00	0.00	281,793.75	281,793.75
	% Balance	0.00%	0.00%	0.00%	0.08%	0.08%
	# Loans	0	0	0	2	2
	% # Loans	0.00%	0.00%	0.00%	0.11%	0.11%
TOTAL	Balance	254,672.46	17,496,878.72	12,683,489.87	17,126,760.19	47,561,801.24
	% Balance	0.08%	5.26%	3.81%	5.15%	14.29%
	# Loans	2	109	66	92	269
	% # Loans	0.11%	5.90%	3.57%	4.98%	14.56%

Page 13 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution


GROUP 2
		< 1 PAYMENT	1 PAYMENT	2 PAYMENTS	3+ PAYMENTS	TOTAL
DELINQUENT	Balance		37,031,996.06	26,499,487.26	6,463,598.37	69,995,081.69
	% Balance		6.07%	4.34%	1.06%	11.48%
	# Loans		168	106	28	302
	% # Loans		5.57%	3.52%	0.93%	10.02%
FORECLOSURE	Balance	0.00	0.00	0.00	22,869,451.61	22,869,451.61
	% Balance	0.00%	0.00%	0.00%	3.75%	3.75%
	# Loans	0	0	0	103	103
	% # Loans	0.00%	0.00%	0.00%	3.42%	3.42%
BANKRUPTCY	Balance	134,902.02	0.00	0.00	665,305.72	800,207.74
	% Balance	0.02%	0.00%	0.00%	0.11%	0.13%
	# Loans	1	0	0	3	4
	% # Loans	0.03%	0.00%	0.00%	0.10%	0.13%
REO	Balance	0.00	0.00	0.00	309,455.47	309,455.47
	% Balance	0.00%	0.00%	0.00%	0.05%	0.05%
	# Loans	0	0	0	2	2
	% # Loans	0.00%	0.00%	0.00%	0.07%	0.07%
TOTAL	Balance	134,902.02	37,031,996.06	26,499,487.26	30,307,811.17	93,974,196.51
	% Balance	0.02%	6.07%	4.34%	4.97%	15.41%
	# Loans	1	168	106	136	411
	% # Loans	0.03%	5.57%	3.52%	4.51%	13.64%

Page 14 of 35

IndyMac INABS 2007-B

Mortgage Pass-Through Certificates

November 26, 2007 Distribution

REO Report

Loan Number

Original

Stated

Current

State &

First

Principal

Paid to

Note

LTV at

Original

Payment

Loan Group

Balance

Date

Rate

Origination

Term

Date

Became REO Property this Period:

******092 1

138,833.00

138,356.06

01-May-2007

9.625%

TN - 85.00%

360

01-May-2007

******111 2

156,794.00

156,282.86

01-May-2007

9.875%

TX - 100.00%

360

01-May-2007

******920 1

144,000.00

143,437.69

01-May-2007

9.625%

GA - 90.00%

360

01-May-2007

******294 2

153,600.00

153,172.61

01-May-2007

9.875%

MO - 80.00%

360

01-Jun-2007

TOTAL

593,227.00

591,249.22

Page 15 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution

Foreclosure Report
Loan Number	Original	Stated		Current	State &		First
Loan Number	Original	Stated		Current	State &		First
&	Principal	Principal	Paid to	Note	LTV at	Original	Payment
Loan Group	Balance	Balance	Date	Rate	Origination	Term	Date
					Origination

Became Foreclosure Property this Period:
****238 1	94,600.00	94,433.76	01-May-2007	9.775%	MI - 84.39%	360	01-Feb-2007
****395 1	97,000.00	96,469.47	01-Jun-2007	8.625%	WI - 78.86%	360	01-Mar-2007
******399 1	313,500.00	312,983.82	01-Jun-2007	9.625%	FL - 95.00%	360	01-Mar-2007
******561 1	65,550.00	65,419.88	01-Jun-2007	9.000%	IL - 95.00%	360	01-Mar-2007
******347 1	224,000.00	223,467.47	01-Jun-2007	8.375%	PA - 92.18%	360	01-Mar-2007
******528 2	195,130.00	194,748.73	01-May-2007	12.875%	MA - 65.04%	360	01-Apr-2007
******573 1	221,000.00	220,649.51	01-May-2007	9.750%	MO - 85.00%	360	01-Mar-2007
******761 2	75,550.00	75,420.66	01-May-2007	12.125%	PA - 55.55%	360	01-Jun-2007
******971 2	234,900.00	234,113.93	01-Jun-2007	9.750%	GA - 90.00%	360	01-May-2007
******261 2	569,000.00	566,447.34	01-Jun-2007	9.000%	IL - 100.00%	360	01-Apr-2007
******451 1	318,750.00	317,403.96	01-Jul-2007	8.625%	IL - 85.00%	360	01-May-2007
******849 2	199,922.00	199,922.00	01-Jun-2007	9.500%	AZ - 100.00%	360	01-Apr-2007
******035 1	74,700.00	74,429.64	01-Jun-2007	9.375%	OH - 90.00%	360	01-May-2007
******544 1	351,500.00	350,876.54	01-Jun-2007	9.375%	RI - 95.00%	360	01-Mar-2007
******291 2	498,750.00	495,952.34	01-May-2007	8.500%	NY - 95.00%	360	01-Mar-2007
******903 2	70,200.00	69,988.60	01-Jun-2007	10.250%	PA - 90.00%	360	01-May-2007
******132 1	170,850.00	170,610.12	01-Jun-2007	9.750%	FL - 85.00%	360	01-Apr-2007
******642 1	50,450.00	50,245.90	01-May-2007	9.500%	PA - 77.62%	360	01-Apr-2007
******777 2	150,000.00	149,688.95	01-May-2007	11.250%	PA - 69.77%	360	01-Jun-2007
******002 1	146,000.00	145,858.28	01-Jun-2007	11.000%	IL - 100.00%	360	01-Apr-2007
******519 1	128,000.00	127,740.03	01-Jun-2007	8.500%	FL - 80.00%	360	01-Apr-2007
******614 2	180,000.00	179,440.52	01-Jun-2007	10.750%	GA - 75.00%	360	01-Apr-2007
******764 2	247,200.00	246,554.74	01-Jun-2007	7.625%	CA - 80.00%	360	01-Apr-2007
******133 1	310,500.00	309,482.09	01-Jun-2007	10.500%	GA - 90.00%	360	01-Apr-2007
******407 1	283,500.00	282,599.81	01-May-2007	10.000%	NJ - 90.00%	360	01-May-2007
******383 2	472,500.00	470,211.32	01-May-2007	8.625%	CO - 90.00%	360	01-Apr-2007
******548 2	144,000.00	143,264.70	01-May-2007	8.375%	FL - 73.85%	360	01-Apr-2007
******287 1	191,200.00	190,668.36	01-Jun-2007	10.625%	MA - 46.63%	360	01-May-2007
******931 2	196,000.00	196,000.00	01-Jun-2007	7.875%	FL - 80.00%	360	01-May-2007
******283 2	143,540.00	143,003.00	01-Jun-2007	9.875%	TX - 100.00%	360	01-Apr-2007
******045 1	296,000.00	295,530.31	01-May-2007	8.875%	NY - 80.00%	360	01-May-2007
******655 2	624,000.00	624,000.00	01-May-2007	8.500%	CA - 80.00%	360	01-May-2007
******163 2	287,836.00	287,521.44	01-Jun-2007	10.125%	NV - 100.00%	360	01-May-2007
******097 1	94,500.00	94,500.00	01-Jun-2007	8.625%	SC - 90.00%	360	01-May-2007
******223 2	153,520.00	153,520.00	01-May-2007	7.500%	FL - 80.00%	360	01-Apr-2007
******665 1	413,250.00	412,038.03	01-Jun-2007	10.375%	MI - 95.00%	360	01-May-2007
******434 1	100,000.00	99,470.69	01-Jun-2007	7.500%	MD - 28.17%	360	01-May-2007
******740 2	520,000.00	520,000.00	01-Jun-2007	8.375%	NV - 80.00%	360	01-May-2007
******872 1	140,420.00	140,191.13	01-Jun-2007	9.250%	MO - 85.00%	360	01-Apr-2007
******484 1	39,600.00	39,460.37	01-Jun-2007	9.500%	TN - 90.00%	360	01-May-2007
******433 2	172,250.00	171,913.54	01-Jun-2007	12.250%	CA - 65.00%	360	01-May-2007
******520 2	93,750.00	93,544.80	01-May-2007	11.000%	MI - 75.00%	360	01-Jun-2007
******002 1	159,800.00	159,265.23	01-Jun-2007	9.750%	FL - 85.00%	360	01-May-2007
******002 1	159,800.00			9.750%	FL - 85.00%


Page 16 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution

Loan Number	Original	Stated		Current	State &		First
&	Principal	Principal	Paid to	Note	LTV at	Original	Payment
Loan Group	Balance	Balance	Date	Rate	Origination	Term	Date
					Origination
******766 2
******766 2	66,400.00	66,220.25	01-Jun-2007	10.750%	SC - 80.00%	360	01-May-2007

******250 1	199,900.00	199,676.25	01-Jun-2007	10.500%	IL - 100.00%	360	01-Apr-2007
******545 1	270,000.00	268,840.36	01-Jun-2007	9.750%	NJ - 90.00%	360	01-Apr-2007
******082 2	108,500.00	107,335.58	01-Jun-2007	12.000%	MI - 70.00%	360	01-May-2007
******669 2	73,950.00	73,695.95	01-Jun-2007	9.625%	OH - 85.00%	360	01-May-2007
******849 1	68,000.00	67,834.69	01-May-2007	11.250%	MI - 85.00%	360	01-May-2007
******101 2	460,000.00	459,346.59	01-Jun-2007	9.250%	NJ - 89.32%	360	01-May-2007
******778 2	435,000.00	434,171.97	01-Jun-2007	8.250%	CA - 100.00%	360	01-May-2007
******668 2	252,000.00	251,782.09	01-May-2007	10.375%	FL - 90.00%	360	01-Jun-2007
******214 1	120,250.00	120,035.00	01-Jun-2007	12.650%	FL - 65.00%	360	01-May-2007
******041 2	140,250.00	139,859.99	01-Apr-2007	10.625%	IL - 85.00%	360	01-May-2007
******615 2	226,800.00	226,277.82	01-Jun-2007	11.500%	IL - 84.00%	360	01-May-2007
******327 1	195,500.00	195,286.33	01-Jun-2007	10.125%	FL - 85.00%	360	01-May-2007
******299 2	215,000.00	214,299.15	01-May-2007	9.875%	IL - 100.00%	360	01-May-2007
******349 1	212,500.00	211,750.69	01-Jun-2007	9.500%	IL - 85.00%	360	01-May-2007
******472 2	199,750.00	199,750.00	01-Jun-2007	9.500%	IL - 84.64%	360	01-May-2007
******808 2	63,050.00	62,382.00	01-Jun-2007	11.750%	MI - 33.18%	360	01-Jul-2007
******451 2	270,000.00	269,249.19	01-Jun-2007	10.625%	NJ - 84.38%	360	01-May-2007
******558 1	500,000.00	498,880.02	01-Jun-2007	7.125%	NY - 80.00%	360	01-Jun-2007
******513 2	290,000.00	289,003.78	01-Jun-2007	9.625%	FL - 100.00%	360	01-May-2007
******138 2	639,200.00	636,829.95	01-Jun-2007	8.500%	MI - 80.00%	360	01-Jun-2007
******262 2	266,800.00	266,037.85	01-Jun-2007	9.750%	NC - 88.05%	360	01-Jun-2007
******669 1	84,600.00	84,324.24	01-Jun-2007	9.875%	GA - 90.00%	360	01-May-2007
******374 1	148,750.00	148,472.49	01-Jun-2007	10.875%	MO - 85.00%	360	01-Jul-2007
******792 2	59,415.00	59,262.27	01-Jun-2007	10.250%	OH - 85.00%	360	01-Jun-2007
******925 1	136,000.00	135,702.28	01-Jun-2007	11.000%	FL - 85.00%	360	01-Jun-2007
******644 2	122,400.00	122,301.98	01-Jun-2007	10.625%	NJ - 85.00%	360	01-Jun-2007
******882 2	179,000.00	178,586.50	01-Jun-2007	10.750%	CA - 64.39%	360	01-Jun-2007
******691 1	189,900.00	189,121.35	01-Jun-2007	9.750%	FL - 90.00%	360	01-May-2007
******699 1	182,700.00	182,025.16	01-Jun-2007	9.750%	FL - 90.00%	360	01-May-2007
******648 1	162,000.00	161,350.02	01-Jun-2007	8.875%	GA - 90.00%	360	01-May-2007
******735 2	530,000.00	529,307.82	01-Jun-2007	9.000%	NY - 100.00%	360	01-Jun-2007
******818 2	460,750.00	460,336.21	01-May-2007	10.250%	NJ - 95.00%	360	01-Jun-2007
******334 2	288,000.00	287,239.82	01-Jun-2007	10.125%	IL - 90.00%	360	01-Jun-2007
******286 1	299,900.00	299,169.13	01-May-2007	10.500%	FL - 89.26%	360	01-Jun-2007
******287 1	153,000.00	152,302.79	01-May-2007	8.250%	AK - 90.00%	360	01-May-2007
******303 1	175,000.00	174,606.45	01-Jun-2007	10.875%	FL - 70.00%	360	01-Jun-2007
******337 1	225,000.00	224,695.14	01-Jun-2007	8.875%	MN - 90.00%	360	01-Jun-2007
******237 1	305,550.00	304,503.05	01-Jun-2007	8.875%	FL - 90.00%	360	01-Jun-2007
******254 2	68,000.00	67,866.12	01-Jun-2007	10.625%	MO - 85.00%	360	01-Jul-2007
******290 1	322,150.00	321,837.94	01-May-2007	10.000%	CA - 84.78%	360	01-Jun-2007
******904 2	72,250.00	72,107.77	01-Jun-2007	10.625%	MO - 85.00%	360	01-Jul-2007
******169 1	256,500.00	255,504.44	01-May-2007	9.625%	NJ - 90.00%	360	01-May-2007
******332 2	75,000.00	74,852.69	01-Jun-2007	11.500%	IA - 48.39%	360	01-Jun-2007
******610 2	85,000.00	84,798.25	01-Jun-2007	10.625%	OH - 73.91%	360	01-Jun-2007
******153 2	62,000.00	61,899.03	01-Jun-2007	11.500%	MO - 84.93%	360	01-Jul-2007
******364 2	200,000.00	199,708.08	01-Jun-2007	12.000%	FL - 80.00%	360	01-Jul-2007


Page 17 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution

Loan Number	Original	Stated		Current	State &		First
&	Principal	Principal	Paid to	Note	LTV at	Original	Payment
Loan Group	Balance	Balance	Date	Rate	Origination	Term	Date
					Origination
******248 1
******248 1	233,750.00	233,118.48	01-Jun-2007	9.125%	NY - 85.00%	360	01-Jul-2007

******196 2	272,000.00	271,337.96	01-Jun-2007	9.625%	NY - 85.00%	360	01-Jul-2007
******699 2	165,000.00	164,587.01	01-Jun-2007	10.375%	NY - 51.56%	360	01-Jun-2007
******485 1	124,000.00	123,823.97	01-Jun-2007	12.125%	OK - 80.00%	360	01-Jul-2007
******531 2	70,000.00	69,886.57	01-Jun-2007	12.375%	NY - 16.87%	360	01-Jun-2007
******405 2	188,000.00	187,810.74	01-Jun-2007	9.250%	FL - 80.00%	360	01-Jul-2007
******041 1	236,000.00	235,810.96	01-Jun-2007	10.625%	WA - 80.00%	360	01-Jun-2007
******734 2	202,500.00	201,857.84	01-May-2007	9.250%	GA - 90.00%	360	01-Jun-2007
******612 2	103,500.00	103,171.78	01-May-2007	9.250%	WI - 90.00%	360	01-Jun-2007
******305 1	102,600.00	102,257.40	01-May-2007	9.000%	WI - 90.00%	360	01-Jun-2007
******817 2	94,500.00	94,208.03	01-May-2007	9.375%	WI - 90.00%	360	01-Jun-2007
******953 2	376,000.00	375,083.63	01-Jun-2007	10.500%	WI - 80.00%	360	01-Jun-2007
******025 2	156,000.00	155,505.34	01-Jun-2007	9.250%	DE - 80.00%	360	01-Jun-2007
******284 2	165,750.00	165,487.32	01-Jun-2007	11.625%	CA - 75.00%	360	01-Jul-2007
******685 2	233,500.00	232,960.81	01-Jun-2007	9.875%	SC - 79.97%	360	01-Jul-2007
******876 2	416,000.00	416,000.00	01-Jun-2007	9.125%	UT - 80.00%	360	01-Feb-2007
******445 2	212,500.00	212,047.25	01-Jun-2007	11.125%	MD - 66.41%	360	01-Jun-2007
******545 2	122,348.00	116,534.65	01-Jun-2007	12.625%	NJ - 45.82%	360	01-Jun-2007
******158 2	495,000.00	493,892.79	01-May-2007	10.900%	NY - 90.00%	360	01-Jun-2007
******057 2	306,000.00	304,896.35	01-Jun-2007	8.625%	FL - 90.00%	360	01-Jun-2007
******710 2	168,000.00	167,711.03	01-Jun-2007	11.250%	CA - 61.09%	360	01-Jul-2007
******338 1	391,000.00	390,830.49	01-Jun-2007	12.000%	CA - 85.00%	360	01-Jul-2007
******402 2	308,000.00	307,142.97	01-Jun-2007	9.875%	MA - 80.00%	360	01-Jun-2007
******448 2	241,500.00	240,879.28	01-May-2007	10.250%	FL - 70.00%	360	01-Jun-2007
******648 2	82,400.00	82,224.24	01-Jun-2007	10.250%	IN - 80.00%	360	01-Jul-2007
******525 2	470,000.00	469,675.47	01-Jun-2007	10.500%	CA - 84.69%	360	01-Jul-2007
******543 1	72,000.00	71,850.68	01-May-2007	11.250%	NE - 90.00%	360	01-Jun-2007
******192 1	263,500.00	263,272.22	01-May-2007	10.375%	CO - 85.00%	360	01-Jun-2007
******161 2	274,500.00	273,959.61	01-Jun-2007	10.625%	CA - 90.00%	360	01-Jul-2007
******054 1	202,500.00	201,939.47	01-Jun-2007	9.900%	NJ - 90.00%	360	01-Jun-2007
******441 2	306,000.00	305,844.86	01-Jun-2007	11.500%	NV - 90.00%	360	01-Jul-2007
******761 2	140,400.00	140,108.44	01-Jun-2007	10.375%	FL - 90.00%	360	01-Jul-2007
******864 2	240,000.00	239,649.71	01-Jun-2007	12.000%	CA - 75.00%	360	01-Jul-2007
******706 2	54,000.00	53,896.51	01-Jun-2007	10.750%	MI - 90.00%	360	01-Jul-2007
******439 1	276,000.00	275,627.31	01-Jun-2007	8.250%	NJ - 80.00%	360	01-Jul-2007
******749 2	124,000.00	123,823.97	01-Jun-2007	12.125%	OK - 80.00%	360	01-Jul-2007
******663 1	124,000.00	123,823.97	01-Jun-2007	12.125%	OK - 80.00%	360	01-Jul-2007
******238 2	68,300.00	68,185.68	01-Jun-2007	11.375%	OH - 84.32%	360	01-Jul-2007
******742 1	396,000.00	395,715.93	01-Jun-2007	10.375%	CA - 90.00%	360	01-Jul-2007
******385 1	135,000.00	134,780.13	01-Jun-2007	11.500%	MO - 80.84%	360	01-Jul-2007
******388 2	119,925.00	119,713.03	01-Jun-2007	11.125%	MD - 65.00%	360	01-Jul-2007


TOTAL	28,360,406.00	28,290,411.41

Became Foreclosure Property in a Prior Period:
****824 2	160,000.00	160,000.00	01-May-2007	8.125%	FL - 69.57%	360	01-Jan-2007
******565 1	216,000.00	215,427.45	01-May-2007	8.375%	MD - 90.00%	360	01-Feb-2007
******191 2	312,591.00	312,591.00	01-May-2007	5.750%	CA - 80.00%	360	01-Feb-2007


Page 18 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution

Loan Number	Original	Stated		Current	State &		First
&	Principal	Principal	Paid to	Note	LTV at	Original	Payment
Loan Group	Balance	Balance	Date	Rate	Origination	Term	Date
					Origination
******422 2
******422 2	170,000.00	169,730.36	01-Apr-2007	9.750%	FL - 100.00%	360	01-Mar-2007

******603 2	180,000.00	178,938.11	01-Apr-2007	8.250%	FL - 80.00%	360	01-Mar-2007
******791 2	166,500.00	165,893.24	01-May-2007	10.000%	FL - 90.00%	360	01-Apr-2007
******906 2	308,750.00	308,386.12	01-Apr-2007	9.875%	CA - 95.00%	360	01-May-2007
******490 2	300,000.00	299,213.73	01-Apr-2007	7.125%	FL - 80.00%	360	01-May-2007
******439 2	227,500.00	226,850.31	01-May-2007	10.500%	NY - 70.00%	360	01-May-2007
******599 2	88,800.00	88,289.20	01-May-2007	8.375%	NC - 80.00%	360	01-Mar-2007
******328 2	104,500.00	104,054.69	01-May-2007	9.250%	IA - 95.00%	360	01-Apr-2007
******389 2	160,000.00	159,757.90	01-May-2007	9.500%	FL - 100.00%	360	01-Apr-2007
******853 2	182,000.00	180,729.29	01-May-2007	10.250%	FL - 68.17%	360	01-May-2007
******989 2	205,000.00	204,730.68	01-May-2007	10.375%	FL - 100.00%	360	01-Mar-2007
******875 1	203,400.00	203,080.58	01-May-2007	9.375%	MN - 90.00%	360	01-Apr-2007
******951 1	316,000.00	314,670.85	01-May-2007	9.250%	MA - 81.03%	360	01-Apr-2007
******767 2	229,900.00	229,632.63	01-May-2007	10.375%	FL - 100.00%	360	01-Apr-2007
******527 2	246,000.00	245,219.93	01-May-2007	9.250%	FL - 68.33%	360	01-Jun-2007
******971 2	340,000.00	338,588.25	01-May-2007	9.375%	IL - 100.00%	360	01-Apr-2007
******890 2	145,000.00	144,488.72	01-Apr-2007	9.500%	NJ - 55.77%	360	01-May-2007
******983 1	400,000.00	398,971.80	01-May-2007	10.250%	MD - 76.92%	360	01-Jun-2007
******811 2	324,000.00	323,560.96	01-May-2007	8.875%	FL - 90.00%	360	01-Jun-2007
******450 2	100,000.00	99,690.77	01-May-2007	10.125%	KS - 80.00%	360	01-May-2007
******295 1	76,500.00	76,256.42	01-May-2007	10.000%	NJ - 90.00%	360	01-May-2007
******725 2	58,500.00	58,500.00	01-May-2007	9.500%	FL - 65.00%	360	01-May-2007
******038 2	260,000.00	258,361.37	01-May-2007	9.625%	CA - 80.00%	360	01-May-2007
******278 2	328,000.00	327,375.57	01-May-2007	8.250%	FL - 80.00%	360	01-May-2007
******194 2	372,000.00	370,455.37	01-May-2007	9.375%	CA - 80.00%	360	01-Apr-2007
******057 1	66,300.00	66,129.54	01-May-2007	10.250%	OH - 85.00%	360	01-Jun-2007
******355 1	193,500.00	192,886.37	01-May-2007	9.250%	GA - 90.00%	360	01-Jun-2007
******847 1	153,000.00	152,784.95	01-May-2007	8.750%	OH - 85.00%	360	01-Jun-2007
******095 1	184,000.00	183,539.44	01-May-2007	10.375%	FL - 80.00%	360	01-Jun-2007
******699 1	112,000.00	111,842.58	01-May-2007	8.750%	IL - 84.85%	360	01-Jun-2007
******475 2	363,200.00	362,873.80	01-May-2007	10.250%	CA - 80.00%	360	01-Jun-2007
******636 1	196,000.00	195,604.44	01-May-2007	11.375%	CA - 70.00%	360	01-Jun-2007
******009 1	99,000.00	98,694.13	01-May-2007	9.375%	WI - 90.00%	360	01-Jun-2007
******128 2	112,500.00	112,240.08	01-May-2007	10.750%	FL - 75.00%	360	01-Jun-2007
******629 2	52,000.00	51,851.44	01-May-2007	9.750%	TX - 80.00%	360	01-Jun-2007
******427 2	119,900.00	119,599.91	01-May-2007	10.375%	OH - 79.93%	360	01-Jun-2007
******329 1	343,000.00	341,730.99	01-May-2007	8.500%	MA - 70.00%	360	01-Jun-2007


TOTAL	8,175,341.00	8,153,222.97


TOTAL	36,535,747.00	36,443,634.38
TOTAL


Page 19 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution

Prepayment Report

VOLUNTARY PREPAYMENTS
VOLUNTARY PREPAYMENTS

		Group 2	Group 1	Total


Current


Number of Paid in Full Loans	53	25	78
Number of Repurchased Loans	0	0	0
Total Number of Loans Prepaid in Full	53	25	78
Curtailments Amount	28,178.11	4,958.07	33,136.18
Paid in Full Balance	10,133,729.19	4,513,895.77	14,647,624.96
Repurchased Loans Balance	0.00	0.00	0.00
Total Prepayment Amount	10,161,907.30	4,518,853.84	14,680,761.14
Cumulative


Number of Paid in Full Loans	166	90	256
Number of Repurchased Loans	10	2	12
Total Number of Loans Prepaid in Full	176	92	268
Paid in Full Balance	35,355,912.68	16,348,677.12	51,704,589.80
Repurchased Loans Balance	2,568,146.47	531,700.00	3,099,846.47
Curtailments Amount	393,210.07	83,401.09	476,611.16
Total Prepayment Amount	38,317,269.22	16,963,778.21	55,281,047.43

Page 20 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution


VOLUNTARY PREPAYMENTS RATES - Including Liquidated Balances



		Group 2	Group 1	Total





SMM	1.64%	1.34%	1.53%
3 Months Avg SMM	1.07%	0.97%	1.04%
12 Months Avg SMM	1.21%	0.99%	1.13%
Avg SMM Since Cut-off	1.21%	0.99%	1.13%



CPR	17.99%	14.94%	16.92%
3 Months Avg CPR	12.14%	11.07%	11.77%
12 Months Avg CPR	13.61%	11.24%	12.79%
Avg CPR Since Cut-off	13.61%	11.24%	12.79%



PSA	1,365.12%	1,101.81%	1,271.45%
3 Months Avg PSA Approximation	1,086.76%	958.22%	1,040.56%
12 Months Avg PSA Approximation	1,481.33%	1,174.58%	1,371.34%
Avg PSA Since Cut-off Approximation	1,481.33%	1,174.57%	1,371.33%


(*) SMM, CPR, PSA Figures Include Liquidated Balances

Page 21 of 35

IndyMac INABS 2007-B

Mortgage Pass-Through Certificates

November 26, 2007 Distribution

PREPAYMENT CALCULATION METHODOLOGY - Including Liquidated Balances

Single Monthly Mortality (SMM): (Voluntary partial and full prepayments + Repurchases + Liquidated Balances)/(Beg Principal Balance - Sched Principal)

Conditional Prepayment Rate (CPR): 1-((1-SMM)^12)

PSA Standard Prepayment Model: CPR/(0.20%*min(30,WAS))

Average SMM over period between nth month and mth month (AvgSMMn,m): 1 - [(1-SMMn)*(1-SMMn+1)*...*(1-SMMm)]^(1/months in period n,m)

Average CPR over period between the nth month and mth month (AvgCPRn,m): 1-((1-AvgSMMn,m)^12)

Average PSA Approximation over period between the nth month and mth month: AvgCPRn,m/(0.20%*Avg WASn,m))

Average WASn,m: (min(30,WASn)+min(30,WASn+1)+...+min(30,WASm)/(number of months in the period n,m)

Weighted Average Seasoning (WAS)

Note: Prepayment rates are calculated since deal issue date and include partial and full voluntary prepayments and repurchases.

Dates correspond to distribution dates.

Page 22 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution


VOLUNTARY PREPAYMENTS RATES - Excluding Liquidated Balances



		Group 2	Group 1	Total





SMM	1.64%	1.34%	1.53%
3 Months Avg SMM	1.07%	0.97%	1.04%
12 Months Avg SMM	1.21%	0.99%	1.13%
Avg SMM Since Cut-off	1.21%	0.99%	1.13%



CPR	17.99%	14.94%	16.92%
3 Months Avg CPR	12.11%	11.07%	11.74%
12 Months Avg CPR	13.59%	11.24%	12.77%
Avg CPR Since Cut-off	13.59%	11.24%	12.77%



PSA	1,365.12%	1,101.81%	1,271.45%
3 Months Avg PSA Approximation	1,083.57%	958.22%	1,038.51%
12 Months Avg PSA Approximation	1,479.04%	1,174.58%	1,369.87%
Avg PSA Since Cut-off Approximation	1,479.05%	1,174.57%	1,369.86%

(*) SMM, CPR, PSA Figures Exclude Liquidated Balances
(*) SMM, CPR, PSA Figures Exclude Liquidated Balances

Page 23 of 35

IndyMac INABS 2007-B

Mortgage Pass-Through Certificates

November 26, 2007 Distribution

PREPAYMENT CALCULATION METHODOLOGY - Excluding Liquidated Balances

Single Monthly Mortality (SMM): (Voluntary partial and full prepayments + Repurchases)/(Beg Principal Balance - Sched Principal)

Conditional Prepayment Rate (CPR): 1-((1-SMM)^12)

PSA Standard Prepayment Model: CPR/(0.20%*min(30,WAS))

Average SMM over period between nth month and mth month (AvgSMMn,m): 1 - [(1-SMMn)*(1-SMMn+1)*...*(1-SMMm)]^(1/months in period n,m)

Average CPR over period between the nth month and mth month (AvgCPRn,m): 1-((1-AvgSMMn,m)^12)

Average PSA Approximation over period between the nth month and mth month: AvgCPRn,m/(0.20%*Avg WASn,m))

Average WASn,m: (min(30,WASn)+min(30,WASn+1)+...+min(30,WASm)/(number of months in the period n,m)

Weighted Average Seasoning (WAS)

Note: Prepayment rates are calculated since deal issue date and include partial and full voluntary prepayments and repurchases.

Dates correspond to distribution dates.

Page 24 of 35

IndyMac INABS 2007-B

Mortgage Pass-Through Certificates

November 26, 2007 Distribution

Prepayment Detail Report

Prepayment Detail Report - Mortgage Loans Prepaid in Full During Current Distribution

Loan Number

Original

Current

State &

Type Prepayment

First

Loan

Principal

Prepayment

Note

LTV at

Payment

Loan Group

Status

Balance

Amount

Date

Rate

Origination

Original Term

Date

****834 2

222,360.00

221,135.39

05-Nov-2007

9.125%

IN - 85.00%

Paid Off - 360

01-Jan-2007

****877 2

148,000.00

146,564.18

09-Nov-2007

6.625%

MD - 80.00%

Paid Off - 360

01-Jan-2007

****272 1

15,500.00

15,453.43

25-Oct-2007

10.875%

MD - 80.00%

Paid Off - 180

01-Apr-2007

****425 1

109,000.00

108,813.67

30-Oct-2007

8.700%

MI - 79.56%

Paid Off - 360

01-Apr-2007

******708 2

506,700.00

01-Nov-2007

9.625%

CA - 90.00%

Paid Off - 360

01-May-2007

******274 2

50,600.00

49,843.70

13-Nov-2007

8.125%

VA - 55.00%

Paid Off - 360

01-Apr-2007

******191 2

260,000.00

259,707.71

26-Oct-2007

8.500%

CA - 80.00%

Paid Off - 360

01-May-2007

******233 2

123,500.00

120,982.12

30-Oct-2007

10.375%

UT - 95.00%

Paid Off - 360

01-May-2007

******064 2

107,920.00

104,913.68

30-Oct-2007

8.125%

GA - 80.00%

Paid Off - 360

01-May-2007

******202 2

170,000.00

165,864.36

31-Oct-2007

8.375%

IL - 85.00%

Paid Off - 360

01-May-2007

******775 2

69,000.00

68,095.12

31-Oct-2007

8.250%

NJ - 24.64%

Paid Off - 360

01-May-2007

******496 2

245,000.00

243,163.10

01-Nov-2007

9.500%

MD - 70.00%

Paid Off - 360

01-May-2007

******102 1

112,800.00

112,796.25

11-Oct-2007

8.375%

NJ - 80.00%

Paid Off - 360

01-May-2007

******599 2

112,000.00

111,585.10

25-Oct-2007

10.500%

UT - 100.00%

Paid Off - 360

01-Feb-2007

******569 2

386,000.00

384,677.36

31-Oct-2007

8.875%

NY - 89.77%

Paid Off - 360

01-May-2007

******643 1

68,800.00

68,604.59

23-Oct-2007

12.125%

OH - 100.00%

Paid Off - 360

01-Mar-2007

******647 2

166,600.00

166,057.85

31-Oct-2007

9.125%

NJ - 70.00%

Paid Off - 360

01-May-2007

******489 1

284,000.00

283,202.00

26-Oct-2007

6.875%

NJ - 83.53%

Paid Off - 360

01-Apr-2007

******440 1

67,500.00

67,339.95

08-Nov-2007

9.750%

MD - 90.00%

Paid Off - 360

01-Jun-2007

******230 1

126,750.00

126,558.30

01-Nov-2007

8.500%

WA - 75.00%

Paid Off - 360

01-May-2007

******799 1

270,000.00

269,587.04

25-Oct-2007

9.000%

NJ - 89.70%

Paid Off - 360

01-Apr-2007

******788 2

544,500.00

543,762.22

15-Oct-2007

8.875%

NJ - 90.00%

Paid Off - 360

01-May-2007

******585 1

269,700.00

268,775.90

19-Oct-2007

8.875%

IL - 87.00%

Paid Off - 360

01-May-2007

******845 2

33,150.00

33,057.74

29-Oct-2007

9.875%

PA - 85.00%

Paid Off - 360

01-May-2007

******027 2

183,000.00

182,404.45

16-Oct-2007

9.125%

AL - 71.77%

Paid Off - 360

01-May-2007

******873 2

67,500.00

67,261.22

07-Nov-2007

10.000%

IL - 75.00%

Paid Off - 360

01-Apr-2007

******487 2

162,000.00

161,621.78

18-Oct-2007

9.875%

NJ - 64.80%

Paid Off - 360

01-Jun-2007

******860 2

109,000.00

108,754.89

22-Oct-2007

10.875%

NJ - 45.42%

Paid Off - 360

01-May-2007

******745 2

181,000.00

30-Oct-2007

9.875%

MD - 88.29%

Paid Off - 360

01-May-2007

******567 1

243,900.00

243,663.71

01-Nov-2007

10.000%

IL - 90.00%

Paid Off - 360

01-May-2007

******630 1

285,000.00

283,238.57

08-Nov-2007

9.250%

IL - 95.00%

Paid Off - 360

01-May-2007

******242 2

169,100.00

168,675.72

07-Nov-2007

10.375%

LA - 95.00%

Paid Off - 360

01-May-2007

******570 2

387,000.00

385,229.34

30-Oct-2007

8.250%

NJ - 90.00%

Paid Off - 360

01-Apr-2007

Page 25 of 35

IndyMac INABS 2007-B

Mortgage Pass-Through Certificates

November 26, 2007 Distribution

Prepayment Detail Report - Mortgage Loans Prepaid in Full During Current Distribution

Loan Number

Original

Current

State &

Type Prepayment

First

Loan

Principal

Prepayment

Note

LTV at

Payment

Loan Group

Status

Balance

Amount

Date

Rate

Origination

Original Term

Date

******468 2

87,000.00

86,701.91

06-Nov-2007

8.875%

VA - 58.39%

Paid Off - 360

01-May-2007

******681 1

194,000.00

193,749.56

31-Oct-2007

8.500%

MD - 82.55%

Paid Off - 360

01-Jun-2007

******797 2

280,000.00

279,492.78

22-Oct-2007

7.875%

NJ - 76.71%

Paid Off - 360

01-May-2007

******831 2

148,500.00

148,193.90

09-Nov-2007

9.375%

MD - 90.00%

Paid Off - 360

01-Jul-2007

******303 2

390,000.00

23-Oct-2007

6.625%

MD - 66.21%

Paid Off - 360

01-Jun-2007

******931 1

250,000.00

249,718.77

01-Nov-2007

8.875%

CA - 41.32%

Paid Off - 360

01-Jun-2007

******639 1

225,000.00

24-Oct-2007

7.350%

MD - 75.00%

Paid Off - 360

01-Apr-2007

******774 2

98,400.00

98,195.95

02-Nov-2007

11.250%

MI - 72.09%

Paid Off - 360

01-May-2007

******776 2

199,000.00

198,431.49

14-Nov-2007

9.750%

MA - 79.92%

Paid Off - 360

01-May-2007

******533 2

70,000.00

69,867.40

16-Oct-2007

10.875%

MI - 70.00%

Paid Off - 360

01-Jun-2007

******888 2

268,000.00

267,458.10

14-Nov-2007

10.500%

MN - 68.72%

Paid Off - 360

01-Jun-2007

******268 1

127,000.00

126,549.89

30-Oct-2007

8.750%

MD - 89.98%

Paid Off - 360

01-May-2007

******087 1

72,000.00

71,885.90

30-Oct-2007

11.625%

IN - 90.00%

Paid Off - 360

01-Jun-2007

******963 2

263,700.00

262,598.62

13-Nov-2007

7.900%

IL - 90.00%

Paid Off - 360

01-May-2007

******402 2

136,700.00

136,166.74

22-Oct-2007

10.290%

IL - 66.68%

Paid Off - 360

01-Mar-2007

******426 2

156,000.00

155,772.29

12-Oct-2007

12.000%

NY - 72.56%

Paid Off - 360

01-Jun-2007

******091 2

143,500.00

143,292.52

30-Oct-2007

11.000%

FL - 49.48%

Paid Off - 360

01-Jul-2007

******160 2

221,000.00

220,337.78

23-Oct-2007

7.500%

CA - 52.00%

Paid Off - 360

01-Jul-2007

******631 1

296,000.00

295,218.74

25-Oct-2007

10.125%

SC - 89.16%

Paid Off - 360

01-May-2007

******360 2

98,100.00

97,958.15

16-Oct-2007

11.000%

VA - 90.00%

Paid Off - 360

01-Jul-2007

******592 2

109,140.00

109,038.03

31-Oct-2007

9.500%

NH - 85.00%

Paid Off - 360

01-Jun-2007

******048 1

194,480.00

194,291.35

14-Nov-2007

9.375%

UT - 85.00%

Paid Off - 360

01-Jun-2007

******925 1

112,500.00

112,203.86

14-Nov-2007

9.250%

MI - 90.00%

Paid Off - 360

01-Jun-2007

******223 2

280,000.00

279,850.00

22-Oct-2007

9.000%

MN - 86.96%

Paid Off - 360

01-Jun-2007

******974 2

153,000.00

152,701.95

14-Nov-2007

10.375%

NY - 85.00%

Paid Off - 360

01-Jul-2007

******551 1

180,000.00

179,550.23

16-Oct-2007

9.500%

IL - 83.72%

Paid Off - 360

01-Jun-2007

******260 2

454,000.00

453,207.87

02-Nov-2007

10.125%

AZ - 53.54%

Paid Off - 360

01-Jul-2007

******706 2

103,000.00

102,846.58

17-Oct-2007

11.250%

NY - 74.64%

Paid Off - 360

01-Jul-2007

******448 2

157,500.00

157,106.44

23-Oct-2007

9.500%

GA - 75.00%

Paid Off - 360

01-Jun-2007

******427 2

170,400.00

170,098.87

30-Oct-2007

11.125%

FL - 75.00%

Paid Off - 360

01-Jun-2007

******169 2

91,700.00

91,599.20

25-Oct-2007

12.250%

AZ - 70.00%

Paid Off - 360

01-Jul-2007

******284 1

240,000.00

239,784.79

01-Nov-2007

8.875%

CA - 53.33%

Paid Off - 360

01-Jul-2007

******521 1

328,000.00

327,297.77

15-Nov-2007

9.875%

MA - 80.00%

Paid Off - 360

01-Jul-2007

******542 2

147,000.00

146,824.45

09-Nov-2007

11.875%

MD - 51.40%

Paid Off - 360

01-Jul-2007

Page 26 of 35

IndyMac INABS 2007-B

Mortgage Pass-Through Certificates

November 26, 2007 Distribution

Prepayment Detail Report - Mortgage Loans Prepaid in Full During Current Distribution

Loan Number

Original

Current

State &

Type Prepayment

First

Loan

Principal

Prepayment

Note

LTV at

Payment

Loan Group

Status

Balance

Amount

Date

Rate

Origination

Original Term

Date

******967 2

94,500.00

94,390.21

08-Nov-2007

12.000%

OH - 67.50%

Paid Off - 360

01-Jul-2007

******629 2

186,900.00

186,750.06

07-Nov-2007

9.250%

CA - 69.48%

Paid Off - 360

01-Jul-2007

******354 1

165,000.00

164,571.89

07-Nov-2007

8.250%

ME - 86.84%

Paid Off - 360

01-Jul-2007

******976 2

682,975.00

01-Nov-2007

10.500%

CA - 90.00%

Paid Off - 360

01-Jul-2007

******766 1

103,410.00

103,229.59

05-Nov-2007

10.125%

VA - 90.00%

Paid Off - 360

01-Jul-2007

******850 2

55,000.00

54,950.98

23-Oct-2007

11.875%

MD - 36.42%

Paid Off - 360

01-Aug-2007

******928 2

229,500.00

01-Nov-2007

8.250%

GA - 90.00%

Paid Off - 360

01-Aug-2007

******577 2

60,000.00

59,915.56

23-Oct-2007

11.125%

FL - 42.86%

Paid Off - 360

01-Jul-2007

******143 1

183,000.00

182,810.02

06-Nov-2007

8.375%

IL - 87.14%

Paid Off - 360

01-Jul-2007

******891 2

153,750.00

153,679.20

01-Nov-2007

10.125%

MN - 75.00%

Paid Off - 360

01-Aug-2007

******978 2

72,800.00

72,770.13

29-Oct-2007

11.000%

WI - 70.00%

Paid Off - 360

01-Aug-2007

TOTAL

14,688,335.00

14,647,624.96

Page 27 of 35

IndyMac INABS 2007-B

Mortgage Pass-Through Certificates

November 26, 2007 Distribution

Realized Loss Report

Loan Number

Current

State &

Prior

Realized

Cumulative

Loan

Note

LTV at

Original

Principal

Loss/(Gain)

Realized

Loan Group

Status

Rate

Origination

Term

Balance

Revision

Loss/(Gain)

******977 2

0.000%

VA - 80.00%

180

0.00

Revision

175.00

TOTAL

0.00

175.00

Page 28 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution



COLLATERAL REALIZED LOSSES
COLLATERAL REALIZED LOSSES
		Group 2	Group 1	Total


Current





	Number of Loans Liquidated		0	0	0

	Collateral Principal Realized Loss/(Gain) Amount		0.00	0.00	0.00
	Collateral Interest Realized Loss/(Gain) Amount		175.00	0.00	175.00
Net Liquidation Proceeds		(175.00)	0.00	(175.00)

Cumulative




	Number of Loans Liquidated		1	0	1

	Collateral Realized Loss/(Gain) Amount		66,818.94	0.00	66,818.94
Net Liquidation Proceeds		(3,960.27)	0.00	(3,960.27)

Page 29 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution


DEFAULT SPEEDS
DEFAULT SPEEDS
	Group 2	Group 1	Total




MDR	0.00%	0.00%	0.00%
3 Months Avg MDR	0.00%	0.00%	0.00%
12 Months Avg MDR	0.00%	0.00%	0.00%
Avg MDR Since Cut-off	0.00%	0.00%	0.00%


CDR	0.00%	0.00%	0.00%
3 Months Avg CDR	0.04%	0.00%	0.03%
12 Months Avg CDR	0.02%	0.00%	0.02%
Avg CDR Since Cut-off	0.02%	0.00%	0.02%


SDA	0.00%	0.00%	0.00%
3 Months Avg SDA Approximation	36.01%	0.00%	23.03%
12 Months Avg SDA Approximation	26.27%	0.00%	16.76%
Avg SDA Since Cut-off Approximation	26.32%	0.00%	16.78%


Principal Only Loss Severity Approx for Current Period	0.00%	0.00%	0.00%
3 Months Avg Loss Severity Approximation	100.00%	0.00%	100.00%
12 Months Avg Loss Severity Approximation	100.00%	0.00%	100.00%
Avg Loss Severity Approximation Since Cut-Off	100.00%	0.00%	100.00%


Principal & Interest Loss Severity Approx for Current Period	0.00%	0.00%	0.00%
3 Months Avg Loss Severity Approximation	106.30%	0.00%	106.30%
12 Months Avg Loss Severity Approximation	106.30%	0.00%	106.30%
Avg Loss Severity Approximation Since Cut-Off	106.30%	0.00%	106.30%

Page 30 of 35

IndyMac INABS 2007-B

Mortgage Pass-Through Certificates

November 26, 2007 Distribution

COLLATERAL REALIZED LOSS CALCULATION METHODOLOGY

Monthly Default Rate (MDR): (Beg Principal Balance of Liquidated Loans)/(Total Beg Principal Balance)

Conditional Default Rate (CDR): 1-((1-MDR)^12)

SDA Standard Default Assumption: CDR/IF(WAS<61,MIN(30,WAS)*0.02%,MAX(0.03%,MIN(30,WAS)*0.02%-0.0095%*(WAS-60)))

Average MDR over period between nth month and mth month (AvgMDRn,m): [(1-MDRn)*(1-MDRn+1)*...*(1-MDRm)]^(1/months in period n,m)

Average CDR over period between the nth month and mth month (AvgCDRn,m): 1-((1-AvgMDRn,m)^12)

Average SDA Approximation over period between the nth month and mth month:

AvgCDRn,m/IF(Avg WASn,m<61,MIN(30,Avg WASn,m)*0.02%,MAX(0.03%,MIN(30,Avg WASn,m)*0.02%-0.0095%*(Avg WASn,m-60)))

Average WASn,m: (WASn + WASn+1 +...+ WASm )/(number of months in the period n,m)

Principal Only Loss Severity Approximation for current period:

Sum(Principal Realized Loss Amount)/sum(Beg Principal Balance of Liquidated Loans)

Principal & Interest Loss Severity Approximation for current period:

Sum(Principal & Interest Realized Loss Amount)/sum(Beg Principal Balance of Liquidated Loans)

Average Loss Severity Approximation over period between nth month and mth month:

Sum(Realized Loss Amount)/sum(Beg Principal Balance of Liquidated Loans for months in the period n,m

Note: Default rates are calculated since deal issue date and include realized gains and additional realized losses and gains from prior periods.

Dates correspond to distribution dates.

All Realized Losses in excess of Principal Balance are treated as Interest Realized Losses.

Page 31 of 35

IndyMac INABS 2007-B

Mortgage Pass-Through Certificates

November 26, 2007 Distribution

Triggers and Adj. Cert. Report

TRIGGER EVENTS

Group 2

Group 1

Total

Stepdown Date has occurred

Optional Termination Date

Does an Event of Default Exist

Does a Swap Trigger Event Exist

Trigger Event Exist (Delq Trig= Y or Loss Trig= Y)

Delinquency Trigger

Does Delinquency Trigger Event Exist (a > b)

(a) Rolling Three Month 60+ Delq Rate

5.7591%

(i) Current Month 60+ Delq Rate

(ii) One Month Prior 60+ Delq Rate

(iii) Two Month Prior 60+ Delq Rate

46.70% of the Senior Enhancement Percentage

12.8784%

Senior Enhancement Percentage

27.5769%

Cumulative Loss Trigger

Does a Loss Trigger Event Exist (a > b)

(a) Cumulative Loss Percentage (i / ii)

0.0001%

(b) Cumulative Loss Trigger Percentage Threshold

100.0000%

(i) Cumulative Realized Loss

66,818.94

(ii) Cutoff Date Principal Balance

1,000,000,000.00

ADJUSTABLE RATE CERTIFICATE INFORMATION

SPACE INTENTIONALLY LEFT BLANK

ADDITIONAL INFORMATION

Group 2

Group 1

Total

Libor For Current Period

4.872500%

Libor For Next Period

4.788750%

Libor Next Rate Determination Date

11/22/2007

Swap Libor

4.872500%

Page 32 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution

Additional Certificate Report

ADDITIONAL CERTIFICATE REPORT

		Int on Prior SF (2)	Curr NET WAC SF (3)	Total NET WAC SF (1+2+3)	NET WAC Shortfall Paid	NET WAC Shortfall UnPaid	Next Pass Through Rate


CLASS
	1A-1	$0.00	$0.00	$0.00	$0.00	$0.00	4.97870%
	1A-2	$0.00	$0.00	$0.00	$0.00	$0.00	4.97870%
	2A-1	$0.00	$0.00	$0.00	$0.00	$0.00	4.86870%
	2A-2	$0.00	$0.00	$0.00	$0.00	$0.00	4.94870%
	2A-3	$0.00	$0.00	$0.00	$0.00	$0.00	4.98870%
	2A-4	$0.00	$0.00	$0.00	$0.00	$0.00	5.04870%
	M-1	$0.00	$0.00	$0.00	$0.00	$0.00	5.09870%
	M-2	$0.00	$0.00	$0.00	$0.00	$0.00	5.10870%
	M-3	$0.00	$0.00	$0.00	$0.00	$0.00	5.12870%
	M-4	$0.00	$0.00	$0.00	$0.00	$0.00	5.33870%
	M-5	$0.00	$0.00	$0.00	$0.00	$0.00	5.48870%
	M-6	$0.00	$0.00	$0.00	$0.00	$0.00	5.73870%
	M-7	$0.00	$0.00	$0.00	$0.00	$0.00	6.28870%
	M-8	$0.00	$0.00	$0.00	$0.00	$0.00	7.03870%
	M-9	$0.00	$0.00	$0.00	$0.00	$0.00	7.28870%
	M-10	$0.00	$0.00	$0.00	$0.00	$0.00	7.28870%
	M-11	$0.00	$0.00	$0.00	$0.00	$0.00	7.28870%
	P	$0.00	$0.00	$0.00	$0.00	$0.00	0.00000%
	C	$0.00	$0.00	$0.00	$0.00	$0.00	0.00000%
	L	$0.00	$0.00	$0.00	$0.00	$0.00	0.00000%
	R	$0.00	$0.00	$0.00	$0.00	$0.00	0.00000%
	SWAP-IO	$0.00	$0.00	$0.00	$0.00	$0.00	0.00000%




Page 33 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution


ADDITIONAL CERTIFICATE REPORT

		NET WAC Shortfall Prior (1)


CLASS
	1A-1	$0.00
	1A-2	$0.00
	2A-1	$0.00
	2A-2	$0.00
	2A-3	$0.00
	2A-4	$0.00
	M-1	$0.00
	M-2	$0.00
	M-3	$0.00
	M-4	$0.00
	M-5	$0.00
	M-6	$0.00
	M-7	$0.00
	M-8	$0.00
	M-9	$0.00
	M-10	$0.00
	M-11	$0.00




Page 34 of 35

IndyMac INABS 2007-B



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
November 26, 2007 Distribution

Other Related Information
ADDITIONAL INFORMATION
ADDITIONAL INFORMATION
	Group 2	Group 1	Total
Sched. Payments for 60+Day Delinquent Loans	485,137.72	255,092.36	740,230.08
Sched. Pmts - 60+Day Delinquent Loans, 1 Month Prior	281,000.42	166,715.97	447,716.39
Sched. Pmts - 60+Day Delinquent Loans, 2 Month Prior	126,008.41	64,102.46	190,110.87
Sched. Pmts - 60+Day Delinquent Loans, 3 Month Prior	10,904.96	3,671.39	14,576.35
Sched. Pmts - 60+Day Delinquent Loans, 4 Month Prior	0.00	1,111.61	1,111.61
Sched. Pmts - 60+Day Delinquent Loans, 5 Month Prior	0.00	0.00	0.00
Sched. Pmts - 60+Day Delinquent Loans, 6 Month Prior	0.00	0.00	0.00
Sched. Pmts - 60+Day Delinquent Loans, 7 Month Prior	0.00	0.00	0.00
Sched. Pmts - 60+Day Delinquent Loans, 8 Month Prior	0.00	0.00	0.00
Sched. Pmts - 60+Day Delinquent Loans, 9 Month Prior	0.00	0.00	0.00
Sched. Pmts - 60+Day Delinquent Loans, 10 Month Prior	0.00	0.00	0.00
Sched. Pmts - 60+Day Delinquent Loans, 11 Month Prior	0.00	0.00	0.00



Current Scheduled Payments	4,902,039.00	2,686,588.47	7,588,627.47
Current Scheduled Payments 1 Month Prior	4,936,583.90	2,713,153.88	7,649,737.78
Current Scheduled Payments 2 Month Prior	4,985,055.51	2,732,326.86	7,717,382.38
Current Scheduled Payments 3 Month Prior	5,040,557.51	2,754,439.32	7,794,996.83
Current Scheduled Payments 4 Month Prior	4,936,279.65	2,702,553.11	7,638,832.76
Current Scheduled Payments 5 Month Prior	0.00	0.00	0.00
Current Scheduled Payments 6 Month Prior	0.00	0.00	0.00
Current Scheduled Payments 7 Month Prior	0.00	0.00	0.00
Current Scheduled Payments 8 Month Prior	0.00	0.00	0.00
Current Scheduled Payments 9 Month Prior	0.00	0.00	0.00
Current Scheduled Payments 10 Month Prior	0.00	0.00	0.00
Current Scheduled Payments 11 Month Prior	0.00	0.00	0.00
Current Scheduled Payments 12 Month Prior





Page 35 of 35

HOME EQUITY MORTGAGE LOAN ASSET-BACKED TRUST, SERIES INABS 2007-B 10-D