200.133.236.0/23 UNIVERSIDADE FEDERAL DE SAO CARLOS
Announced by AS52888 UNIVERSIDADE FEDERAL DE SAO CARLOS. RPKI valid Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 200.133.236.0/23
Prefix
Origin
AS52888 AS52888
RPKI
RPKI valid
Size
512 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 3 covering
In RouteViews
2026-10-15 16:02 UTC
RPKI
Route origin authorizations
Covered by a ROA authorizing AS52888 to originate 200.133.236.0/23 up to /23. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 200.133.236.0/23 | /23 | AS52888 AS52888 | LACNIC |
| 200.133.232.0/21 | /21 | AS52888 AS52888 | LACNIC |
| 200.133.224.0/20 | /20 | AS52888 AS52888 | 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 |
|---|---|---|---|---|
| 200.133.236.0/23 | AS52888 AS52888 | TC | UFSCar-ARA | MAINT-AS52888 |
| 200.133.224.0/20 covering | AS52888 AS52888 | RADB | UNIVERSIDADE FEDERAL DE SAO CARLOS | MAINT-AS1916 |
| 200.133.224.0/20 covering | AS52888 AS52888 | TC | UFSCar | MAINT-AS52888 |
| 200.133.0.0/16 covering | AS1916 AS1916 | RADB | Rede Nacional de Ensino e Pesquisa | MAINT-AS1916 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.