AS33943 CBEZDRAT-AS Quadruple a.s.

CBEZDRAT-AS Quadruple a.s. · registered in Czechia

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

Rank in Czechia#72largest network in CZ by IPv4 space, of 570 · 0.10% of CZ

Rank worldwide#10,184of 79,396 networks with IPv4

IPv68 x /32 (524,288 x /48)1 prefixes

CountryCzechia599 ASNs registered there

Open AS33943 in ASN lookup Look up an IP in this network (84.19.64.1) All networks in Czechia

IPv4 prefixes

All 1 prefix, in address order.

84.19.64.0/19

IPv6 prefixes

All 1 prefix.

2a0a:8380::/29

Similar-sized networks in Czechia

ASNNameIPv4 addresses

AS201476#69 Wolfnet ISP Alliance a.s.8,704

AS43070#70 JAW-AS JAW.cz s.r.o.8,704

AS51420#71 CYRILEK-AS cyrilek.net z.s.8,704

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

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