72.245.136.0/21 NTT America, Inc.
Announced by AS2914 NTT America, Inc. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 72.245.136.0/21
Prefix
Origin
AS2914 NTT-DATA-2914
RPKI
RPKI valid
Size
2,048 addresses
Less specific
More specifics
1
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-12 16:02 UTC
Paths
How 72.245.136.0/21 is reached
Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.
AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 2914
| Origin | AS2914 NTT America, Inc. |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 4d 15h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2914
| Origin | AS2914 NTT America, Inc. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 0h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 1299 2914
| Origin | AS2914 NTT America, Inc. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 0h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS2914 to originate 72.245.136.0/21 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 72.245.136.0/21 | /24 | AS2914 NTT-DATA-2914 | ARIN |
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 72.245.136.0/21 | AS2914 NTT-DATA-2914 | ARIN | GTT Americas, LLC | MNT-GAL-104 |
| 72.244.0.0/15 covering | AS3257 GTT-BACKBONE | RADB | GTT | MAINT-AS3257 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 72.245.136.0/21
1 announced prefix fall inside this one.