AS131897 National University Corporation ,Ehime University 🇯🇵 JP
Ehime University. Announcing 1 prefixes, seen at the RIS collectors.
IPv4 prefixes
1
65,536 (256 × /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
- AS131897
- Name
- National University Corporation ,Ehime University
- Organisation
- Ehime University
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 2011-08-04
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 |
|---|---|---|---|---|
| 133.71.0.0/16 v4 | RPKI valid | 42 | 176392907131897 | 2026-09-18 |