133.71.0.0/16

IPv4 prefix announced by AS131897 National University Corporation ,Ehime University

unknown RPKI

VALID announced

1 Recorded origin

Routing

Recorded origin: AS131897 National University Corporation ,Ehime University unknown
Observed origin (RIS): AS131897 EHIME-U - National University Corporation ,Ehime University
Country: Japan

RPKI: rpki.cloudflare.com · 2026-06-17 · Routing: RIPEstat · 2026-06-18