217.28.134.0/24

IPv4 prefix announced by AS203821 IT4 Polska Sp. z o.o.

unknown RPKI

VALID announced

1 Recorded origin

Routing

Recorded origin: AS203821 IT4 Polska Sp. z o.o. unknown
Observed origin (RIS): AS203821 IT4-POLSKA IT4 Polska Sp. z o.o.
Country: Poland

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