217.28.80.0/21
IPv4 prefix announced by AS51800 FIBER Network s.r.o.
valid RPKI
VALID announced
1 Recorded origin
Routing
- Recorded origin
- AS51800 FIBER Network s.r.o. valid
- Observed origin (RIS)
- AS51800 FIBERNET-ASN FIBER Network s.r.o.
- Country
- Czechia
RPKI: rpki.cloudflare.com · 2026-06-17 · Routing: RIPEstat · 2026-06-18