AS198002 CEZNET-AS CEZNET s.r.o.

CEZNET-AS CEZNET s.r.o. · registered in Czechia

IPv4 addresses8,1921 prefixes · <0.001% of announced IPv4

Rank in Czechia#76largest network in CZ by IPv4 space, of 570 · 0.10% of CZ

Rank worldwide#10,348of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryCzechia599 ASNs registered there

Open AS198002 in ASN lookup Look up an IP in this network (149.255.64.1) All networks in Czechia

IPv4 prefixes

All 1 prefix, in address order.

149.255.64.0/19

IPv6 prefixes

All 1 prefix.

2a03:1180::/32

Other ASNs named CEZNET-AS CEZNET s.r.o.

3 other networks use the same organisation name; together with AS198002 they announce 29,184 IPv4 addresses.

ASNNameIPv4 addresses

AS57728CEZNET-AS CEZNET s.r.o. CZ15,360

AS204064CEZNET-AS CEZNET s.r.o. CZ3,840

AS201654CEZNET-AS CEZNET s.r.o. CZ1,792

Similar-sized networks in Czechia

ASNNameIPv4 addresses

AS8913#73 IPNet Mopos Communications A.S.8,192

AS43709#74 SILESNET SilesNet s.r.o.8,192

AS47493#75 WMS-AS CEZNET s.r.o.8,192

AS202237#77 WICNET-AS Wic-Net, s.r.o.8,192

AS43507#78 RETE-AS RETE internet, s.r.o.8,192

AS57069#79 ASDCC Dempsey and Clark s.r.o.8,192

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