AS21951 St. Olaf College
AS21951 is operated by St. Olaf College and registered with ARIN (US) since 2001-07-17.
It announces 2 IPv4 and 1 IPv6 prefixes, 0% of them RPKI valid.
RIPE RIS sees 0 upstream and peer networks and 0 downstream networks next to it.
| Name | St. Olaf College |
|---|---|
| Registry handle | STOLAF |
| Registry (RIR) | ARIN |
| Country | United States (US) |
| Delegated on | 2001-07-17 |
| Prefixes (IPv4 / IPv6) | 2 / 1 |
| RPKI valid | 0% (0 / 3) |
| Upstreams and peers | 0 |
| Downstream networks | 0 |
Routing health
- Partial result: RIPEstat did not return the neighbours in time.
- AS21951 announces 2 IPv4 and 1 IPv6 prefixes.
- 3 announced prefixes are not covered by a ROA of AS21951 (they may have none, or another network’s).
For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.
Announced prefixes 3
- 162.210.88.0/22
- 199.91.180.0/22
- 2620:132:b000::/40
More about AS21951
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-15 07:32 UTC. The country is where the AS number was registered, not necessarily where the network operates.