AS50331 CITYNET CITYNET Sp.z o.o.

CITYNET CITYNET Sp.z o.o. · registered in Poland

IPv4 addresses2,0483 prefixes · <0.001% of announced IPv4

Rank in Poland#512largest network in PL by IPv4 space, of 2,091 · 0.01% of PL

Rank worldwide#23,587of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryPoland2,145 ASNs registered there

Open AS50331 in ASN lookup Look up an IP in this network (178.217.192.1) All networks in Poland

IPv4 prefixes

All 3 prefixes, in address order.

178.217.192.0/22
178.217.196.0/23
178.217.198.0/23

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AS51590#514 ARONET-AS PRZEDSIEBIORSTWO HANDLOWOPRODUKCYJNOUSLUGOWE "ARONET" ANDRZEJ OLSZEWSKI2,048

AS51636#515 BORKOW-AS BORKOWSKI BARTLOMIEJ BORKOW.ORG PPHU2,048

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources