121.251.232.0/24

IPv4 prefix announced by AS138371 CERNET2 regional IX at Ocean University of China

unknown RPKI

VALID announced

1 Recorded origin

Routing

Recorded origin: AS138371 CERNET2 regional IX at Ocean University of China unknown
Observed origin (RIS): AS4538 ERX-CERNET-BKB - China Education and Research Network Center · differs from recorded
Country: China

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