AS51968 NEOS-AS NEOS v.o.s.

NEOS-AS NEOS v.o.s. · registered in Czechia

IPv4 addresses4,0965 prefixes · <0.001% of announced IPv4

Rank in Czechia#141largest network in CZ by IPv4 space, of 570 · 0.05% of CZ

Rank worldwide#16,194of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryCzechia599 ASNs registered there

Open AS51968 in ASN lookup Look up an IP in this network (46.23.128.1) All networks in Czechia

IPv4 prefixes

All 5 prefixes, in address order.

46.23.128.0/21
46.23.136.0/24
46.23.137.0/24
46.23.138.0/23
46.23.140.0/22

Similar-sized networks in Czechia

ASNNameIPv4 addresses

AS57294#138 Internet_Expert_CZ Internet Expert s.r.o.4,096

AS209155#139 onehostplanet Onehostplanet s.r.o.4,096

AS21045#140 QnetCZ K-net Technical International Group, s.r.o.4,096

AS197550#142 ASINET4YOU Internet4you.cz, spol. s r.o.4,096

AS197846#143 SAOCOMP-AS Radovan Ochvat trading as SAO Computers4,096

AS198991#144 TV_NOVA_SRO TV Nova sro4,096

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