121.251.0.0/24
IPv4 prefix announced by AS24362 CERNET2 IX at University of Science and Technology of China
unknown RPKI
VALID announced
1 Recorded origin
Routing
- Recorded origin
- AS24362 CERNET2 IX at University of Science and Technology 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