133.36.128.0/18
IPv4 prefix announced by AS131981 Takushoku University
unknown RPKI
VALID announced
1 Recorded origin
Routing
- Recorded origin
- AS131981 Takushoku University unknown
- Observed origin (RIS)
- AS131981 TAKUSHOKUNET - Takushoku University
- Country
- Japan
RPKI: rpki.cloudflare.com · 2026-06-17 · Routing: RIPEstat · 2026-06-18