AS20609 kazaczsro KAZA.cz s.r.o.

kazaczsro KAZA.cz s.r.o. · registered in Czechia

IPv4 addresses2,0482 prefixes · <0.001% of announced IPv4

Rank in Czechia#201largest network in CZ by IPv4 space, of 570 · 0.02% of CZ

Rank worldwide#21,496of 79,396 networks with IPv4

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

CountryCzechia599 ASNs registered there

Open AS20609 in ASN lookup Look up an IP in this network (91.202.52.1) All networks in Czechia

IPv4 prefixes

All 2 prefixes, in address order.

91.202.52.0/22
185.108.120.0/22

IPv6 prefixes

All 1 prefix.

2a06:4ac0::/32

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AS44500#202 vlasimnet Vlasimnet s.r.o.2,048

AS47767#203 RCO-AS Regionalni centrum Olomouc s.r.o.2,048

AS48451#204 PRE-AS Prazska energetika, a.s.2,048

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