204.141.192.0/21 NTT Global Data Centers Americas, INC.
Announced by AS393423 NTT Global Data Centers Americas, INC. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 204.141.192.0/21
Prefix
Origin
AS393423 NTT-GLOBAL-DATA-CENTERS-AMERICA-INC
RPKI
RPKI valid
Size
2,048 addresses
Less specific
More specifics
1
IRR route objects
2 exact, 1 covering
In RouteViews
2026-10-14 12:02 UTC
Paths
How 204.141.192.0/21 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 3356 393423
| Origin | AS393423 NTT Global Data Centers Americas, INC. |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 8h 50m ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 393423
| Origin | AS393423 NTT Global Data Centers Americas, INC. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 19h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 393423
| Origin | AS393423 NTT Global Data Centers Americas, INC. |
| Origin code | IGP |
| Communities | 6461:5998 36295:100 36295:6461 |
| Updated | 1d 1h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS393423 to originate 204.141.192.0/21 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 204.141.192.0/21 | /24 | AS19893 NTT-GLOBAL-DATA-CENTERS-AMERICA-INC | ARIN |
| 204.141.192.0/21 | /24 | AS393423 NTT-GLOBAL-DATA-CENTERS-AMERICA-INC | ARIN |
| 204.141.192.0/21 | /24 | AS396071 NTT-GLOBAL-DATA-CENTERS-AMERICA-INC | ARIN |
| 204.141.0.0/16 | /16 | 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 |
|---|---|---|---|---|
| 204.141.192.0/21 | AS19893 NTT-GLOBAL-DATA-CENTERS-AMERICA-INC | RADB | NTT IP | MAINT-AS19893 |
| 204.141.192.0/21 | AS393423 NTT-GLOBAL-DATA-CENTERS-AMERICA-INC | RADB | NTT IP | MAINT-AS19893 |
| 204.141.0.0/16 covering | AS2914 NTT-DATA-2914 | NTTCOM | NTT Communications backbone | MAINT-NTTCOM-RA |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 204.141.192.0/21
1 announced prefix fall inside this one.