202.253.108.0/22
IPv4 prefix announced by AS18091 Teikyo University
unknown RPKI
VALID announced
1 Recorded origin
Routing
- Recorded origin
- AS18091 Teikyo University unknown
- Observed origin (RIS)
- AS18091 TEIKYO-U - Teikyo University
- Country
- Japan
RPKI: rpki.cloudflare.com · 2026-06-17 · Routing: RIPEstat · 2026-06-18