AS21045 QnetCZ K-net Technical International Group, s.r.o.

QnetCZ K-net Technical International Group, s.r.o. · registered in Czechia

IPv4 addresses4,0961 prefixes · <0.001% of announced IPv4

Rank in Czechia#140largest network in CZ by IPv4 space, of 570 · 0.05% of CZ

Rank worldwide#15,777of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryCzechia599 ASNs registered there

Open AS21045 in ASN lookup Look up an IP in this network (80.83.64.1) All networks in Czechia

IPv4 prefixes

All 1 prefix, in address order.

80.83.64.0/20

Similar-sized networks in Czechia

ASNNameIPv4 addresses

AS210958#137 FASTPORT Fastport a.s.4,096

AS57294#138 Internet_Expert_CZ Internet Expert s.r.o.4,096

AS209155#139 onehostplanet Onehostplanet s.r.o.4,096

AS51968#141 NEOS-AS NEOS v.o.s.4,096

AS197550#142 ASINET4YOU Internet4you.cz, spol. s r.o.4,096

AS197846#143 SAOCOMP-AS Radovan Ochvat trading as SAO Computers4,096

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