133.4.0.0/18
IPv4 prefix announced by AS55384 Japan Advanced Institute of Science and Technology
unknown RPKI
VALID announced
1 Recorded origin
Routing
- Recorded origin
- AS55384 Japan Advanced Institute of Science and Technology unknown
- Observed origin (RIS)
- AS55384 JAIST-EXP - Japan Advanced Institute of Science and Technology
- Country
- Japan
RPKI: rpki.cloudflare.com · 2026-06-17 · Routing: RIPEstat · 2026-06-18