204.154.176.0/21 AT&T Enterprises, LLC
Announced by AS7018 AT&T Enterprises, LLC. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 204.154.176.0/21
Prefix
Origin
AS7018 ATT-INTERNET4
RPKI
RPKI not found
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-15 16:02 UTC
Paths
How 204.154.176.0/21 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 7018
| Origin | AS7018 AT&T Enterprises, LLC |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 7d 15h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 7018
| Origin | AS7018 AT&T Enterprises, LLC |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 23h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 7018
| Origin | AS7018 AT&T Enterprises, LLC |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 4h 25m ago |
RPKI
Route origin authorizations
No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.
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 |
|---|---|---|---|---|
| 204.154.176.0/21 | AS7132 SBIS-AS | RADB | ARIN Allocation SBC Internet Services exar | MAINT-AS7132 |