AS31 California Institute of Technology 🇺🇸 US
Announcing 13 prefixes, seen at the RIS collectors.
IPv4 prefixes
12
134,144 (524 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
3
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
- AS31
- Name
- California Institute of Technology
- Organisation
- California Institute of Technology
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1984-09-21
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
1 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 2607:f520::/32 v6 | no ROA | 35 | 6939215231 | 2026-09-18 |