200.136.52.0/23 UNIVERSIDADE DE SAO PAULO
Announced by AS28571 UNIVERSIDADE DE SAO PAULO. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 200.136.52.0/23
Prefix
Origin
AS28571 AS28571
RPKI
RPKI valid
Size
512 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-12 12:02 UTC
Paths
How 200.136.52.0/23 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 52468 61610 28571
| Origin | AS28571 UNIVERSIDADE DE SAO PAULO |
| Origin code | IGP |
| Communities | 174:21301 174:22042 36601:150 36601:174 36601:2001 |
| Updated | 4d 12h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7195 263558 61610 28571
| Origin | AS28571 UNIVERSIDADE DE SAO PAULO |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 4d 20h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 28571
| Origin | AS28571 UNIVERSIDADE DE SAO PAULO |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 20h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS28571 to originate 200.136.52.0/23 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 200.136.52.0/23 | /24 | AS28571 AS28571 | LACNIC |
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 |
|---|---|---|---|---|
| 200.136.52.0/23 | AS28571 AS28571 | RADB | UNIVERSIDADE DE SAO PAULO | MAINT-AS1916 |
| 200.136.32.0/19 covering | AS1251 AS1251 | TC | Rede FAPESP - rednesp | MAINT-AS1251 |
| 200.136.0.0/16 covering | AS1251 AS1251 | RADB | FUNDACAO DE AMPARO A PESQUISA DO ESTADO SAO PAULO | MAINT-AS20080 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.