AS201727 AS_BUBAKOV Blond & Brown s.r.o.

AS_BUBAKOV Blond & Brown s.r.o. · registered in Czechia

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

Rank in Czechia#216largest network in CZ by IPv4 space, of 570 · 0.02% of CZ

Rank worldwide#22,530of 79,396 networks with IPv4

IPv6256 x /481 prefixes

CountryCzechia599 ASNs registered there

Open AS201727 in ASN lookup Look up an IP in this network (45.140.240.1) All networks in Czechia

IPv4 prefixes

All 2 prefixes, in address order.

45.140.240.0/22
185.64.40.0/22

IPv6 prefixes

All 1 prefix.

2a03:1160::/40

Similar-sized networks in Czechia

ASNNameIPv4 addresses

AS201648#213 PLZ-AS-CZ Plzensky kraj2,048

AS203165#214 SPCSS Statni pokladna Centrum sdilenych sluzeb, s.p.2,048

AS62178#215 Master_IT_Technologies MASTER IT Technologies, a.s.2,048

AS43500#217 WBD-AS HBO Europe s.r.o.2,048

AS51210#218 KRAXNET-AS KRAXNET s.r.o.2,048

AS51400#219 ASSPOJENET SPOJE.NET s.r.o.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