AS22217 Calvin College 🇺🇸 US
Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
3
66,048 (258 × /24)
IPv6 prefixes
0
-
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
- AS22217
- Name
- Calvin College
- Organisation
- Calvin College
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2017-07-25
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 |
|---|---|---|---|---|
| 153.106.0.0/16 v4 | no ROA | 48 | 202052655422217 | 2026-09-18 |
| 153.106.254.0/24 v4 | no ROA | 42 | 202052655422217 | 2026-09-18 |
| 153.106.255.0/24 v4 | no ROA | 41 | 701823722217 | 2026-09-18 |