AS200918 ORELSOFT Pavel Zizka

ORELSOFT Pavel Zizka · registered in Czechia

IPv4 addresses5,3767 prefixes · <0.001% of announced IPv4

Rank in Czechia#101largest network in CZ by IPv4 space, of 570 · 0.06% of CZ

Rank worldwide#13,000of 79,396 networks with IPv4

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

CountryCzechia599 ASNs registered there

Open AS200918 in ASN lookup Look up an IP in this network (45.145.220.1) All networks in Czechia

IPv4 prefixes

All 7 prefixes, in address order.

45.145.220.0/22
185.30.160.0/23
185.32.182.0/23
185.91.116.0/22
185.126.196.0/22
185.186.36.0/22
195.22.119.0/24

IPv6 prefixes

All 1 prefix.

2a06:bfc0::/29

Similar-sized networks in Czechia

ASNNameIPv4 addresses

AS25192#98 CZNIC-AS CZ.NIC, z.s.p.o.5,632

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

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

AS197307#102 bnet-internet_cz Core4Net, s.r.o.5,376

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

AS207242#104 NOEL NOEL, 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