AS197307 bnet-internet_cz Core4Net, s.r.o.

bnet-internet_cz Core4Net, s.r.o. · registered in Czechia

IPv4 addresses5,3763 prefixes · <0.001% of announced IPv4

Rank in Czechia#102largest network in CZ by IPv4 space, of 570 · 0.06% of CZ

Rank worldwide#13,048of 79,396 networks with IPv4

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

CountryCzechia599 ASNs registered there

Open AS197307 in ASN lookup Look up an IP in this network (79.142.144.1) All networks in Czechia

IPv4 prefixes

All 3 prefixes, in address order.

79.142.144.0/20
185.51.28.0/22
185.180.1.0/24

IPv6 prefixes

All 1 prefix.

2a02:24c0::/32

Similar-sized networks in Czechia

ASNNameIPv4 addresses

AS198813#99 SychrovNET SychrovNET s.r.o5,632

AS198605#100 AVAST-AS-DC AVAST Software s.r.o.5,632

AS200918#101 ORELSOFT Pavel Zizka5,376

AS201730#103 DataSpring Cloud4com s.r.o.5,376

AS207242#104 NOEL NOEL, s.r.o.5,120

AS41453#105 TRESTEL-CZ-ASN SITEL spol. s r.o.5,120

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