12.52.51.0/24 UNIVERSAL HEALTH SERVICES
Announced by AS401791 UNIVERSAL HEALTH SERVICES. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 12.52.51.0/24
Prefix
Origin
AS401791 FDR-068
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 2 covering
In RouteViews
2026-10-14 04:02 UTC
Paths
How 12.52.51.0/24 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 401791
| Origin | AS401791 UNIVERSAL HEALTH SERVICES |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 6d 4h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 7018 401791
| Origin | AS401791 UNIVERSAL HEALTH SERVICES |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 13h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 7018 401791
| Origin | AS401791 UNIVERSAL HEALTH SERVICES |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 19h 1m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS401791 to originate 12.52.51.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 12.52.51.0/24 | /24 | AS401791 FDR-068 | 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 |
|---|---|---|---|---|
| 12.52.51.0/24 | AS401791 FDR-068 | ARIN | AT&T Enterprises, LLC | MNT-AEL-360 |
| 12.52.51.0/24 | AS401791 FDR-068 | RADB | UHS OF DELAWARE INC - TX | MAINT-RR |
| 12.0.0.0/9 covering | AS7018 ATT-INTERNET4 | ARIN | 12/8 lower half | MNT-AEL-360 |
| 12.0.0.0/8 covering | AS7018 ATT-INTERNET4 | ARIN | ATT_NET-TWELVE | MNT-AEL-360 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.