131.113.0.0/16
IPv4 prefix announced by AS38635 Keio University
unknown RPKI
VALID announced
1 Recorded origin
Routing
- Recorded origin
- AS38635 Keio University unknown
- Observed origin (RIS)
- AS38635 KEIO-NET - Keio University
- Country
- Japan
RPKI: rpki.cloudflare.com · 2026-06-17 · Routing: RIPEstat · 2026-06-18