HTTPfy

AS24806 INTERNET-CZ INTERNET CZ, a.s.

INTERNET-CZ INTERNET CZ, a.s. · registered in Czechia

IPv4 addresses45,82411 prefixes · 0.001% of announced IPv4
Rank in Czechia#21largest network in CZ by IPv4 space, of 570 · 0.55% of CZ
Rank worldwide#4,080of 79,396 networks with IPv4
IPv61 x /32 (65,536 x /48)1 prefixes
CountryCzechia599 ASNs registered there

IPv4 prefixes

All 11 prefixes, in address order.

  • 80.211.192.0/19
  • 81.2.192.0/18
  • 85.255.0.0/20
  • 185.28.100.0/22
  • 185.33.144.0/22
  • 185.129.136.0/22
  • 185.186.20.0/22
  • 193.105.157.0/24
  • 193.105.158.0/23
  • 194.182.64.0/19
  • 195.181.208.0/20

IPv6 prefixes

All 1 prefix.

  • 2001:15e8::/32

Similar-sized networks in Czechia

ASNNameIPv4 addresses
AS24971#18 MASTER-AS MasterDC s.r.o.58,112
AS15935#19 HA-VEL-LOCAL-AS ha-vel internet s.r.o.50,432
AS12570#20 ITSELF O2 Czech Republic, a.s.49,664
AS6740#22 INEXT-CZ-ADA CEZNET s.r.o.41,984
AS21430#23 WIA-AS WIA spol. s.r.o.41,216
AS25424#24 INEXT-CZ CEZNET s.r.o.33,792

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