133.5.0.0/16
IPv4 prefix announced by AS2508 Kyushu University
unknown RPKI
VALID announced
1 Recorded origin
Routing
- Recorded origin
- AS2508 Kyushu University unknown
- Observed origin (RIS)
- AS2508 kyushu-u - Kyushu University
- Country
- Japan
RPKI: rpki.cloudflare.com · 2026-06-17 · Routing: RIPEstat · 2026-06-18