101.4.48.0/21
IPv4 prefix announced by AS4538 China Education and Research Network Center
unknown RPKI
VALID announced
1 Recorded origin
Routing
- Recorded origin
- AS4538 China Education and Research Network Center unknown
- Observed origin (RIS)
- AS4538 ERX-CERNET-BKB - China Education and Research Network Center
- Country
- China
RPKI: rpki.cloudflare.com · 2026-06-17 · Routing: RIPEstat · 2026-06-17