2801:b0:8000::/33 UNIVERSIDADE FEDERAL DE SAO CARLOS
Announced by AS52888 UNIVERSIDADE FEDERAL DE SAO CARLOS. RPKI valid Seen by 2 of our 5 looking glass sessions.
Summary
What the table says about 2801:b0:8000::/33
Prefix
Origin
AS52888 AS52888
RPKI
RPKI valid
Size
2,147,483,648 /64s
Less specific
More specifics
0
IRR route objects
0 exact, 2 covering
In RouteViews
2026-10-12 04:07 UTC
Paths
How 2801:b0:8000::/33 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.
RPKI
Route origin authorizations
Covered by a ROA authorizing AS52888 to originate 2801:b0:8000::/33 up to /33. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 2801:b0:8000::/33 | /33 | AS52888 AS52888 | LACNIC |
| 2801:b0::/32 | /32 | 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 |
|---|---|---|---|---|
| 2801:b0::/32 covering | AS52888 AS52888 | RADB | UNIVERSIDADE FEDERAL DE SAO CARLOS | MAINT-AS262427 |
| 2801:b0::/32 covering | AS52888 AS52888 | TC | UNIVERSIDADE FEDERAL DE SAO CARLOS | MAINT-AS52888 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.