192.50.0.0/21
IPv4 prefix announced by AS4730 Osaka University
unknown RPKI
VALID announced
1 Recorded origin
Routing
- Recorded origin
- AS4730 Osaka University unknown
- Observed origin (RIS)
- AS4730 ODINS - Osaka University
- Country
- Japan
RPKI: rpki.cloudflare.com · 2026-06-17 · Routing: RIPEstat · 2026-06-17