AS21951 St. Olaf College 🇺🇸 US
Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
2,048 (8 × /24)
IPv6 prefixes
1
256 × /48
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS21951
- Name
- St. Olaf College
- Organisation
- St. Olaf College
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2001-07-17
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
3 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 162.210.88.0/22 v4 | no ROA | 47 | 693921951 | 2026-09-18 |
| 199.91.180.0/22 v4 | no ROA | 47 | 693921951 | 2026-09-18 |
| 2620:132:b000::/40 v6 | no ROA | 38 | 14907693921951 | 2026-09-18 |