AS42763 CZAJEN FPUH Czajen Krzysztof Czaja

CZAJEN FPUH Czajen Krzysztof Czaja · registered in Poland

IPv4 addresses3,5843 prefixes · <0.001% of announced IPv4

Rank in Poland#344largest network in PL by IPv4 space, of 2,091 · 0.02% of PL

Rank worldwide#17,220of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryPoland2,145 ASNs registered there

Open AS42763 in ASN lookup Look up an IP in this network (77.87.0.1) All networks in Poland

IPv4 prefixes

All 3 prefixes, in address order.

77.87.0.0/21
91.193.120.0/22
193.33.174.0/23

Similar-sized networks in Poland

ASNNameIPv4 addresses

AS31412#341 SMTVSAT-ASTRAL-AS STOWARZYSZENIE MILOSNIKOW TELEWIZJI SATELITARNEJ ASTRAL3,584

AS35787#342 IC-AS Miroslaw Backiel3,584

AS41023#343 ARREKS-AS AGENCJA ROZWOJU REGIONALNEGO "ARREKS" Sp z.o.o3,584

AS43153#345 SFERANET-AS SferaNET Sp. z o.o.3,584

AS43769#346 EUROLAN-AS Eurolan Sp. zoo3,584

AS50584#347 Dominet DOMINET Sp. z o.o.3,584

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