AS25231 RU-NSO-CIT State Budget Enterprise of Novosibirsk region "Novosibirsk region center of information technologies"

RU-NSO-CIT State Budget Enterprise of Novosibirsk region "Novosibirsk region center of information technologies" · registered in Russia

IPv4 addresses2,0484 prefixes · <0.001% of announced IPv4

Rank in Russia#1,326largest network in RU by IPv4 space, of 4,937 · <0.01% of RU

Rank worldwide#21,298of 79,396 networks with IPv4

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

CountryRussia4,993 ASNs registered there

Open AS25231 in ASN lookup Look up an IP in this network (185.138.129.1) All networks in Russia

IPv4 prefixes

All 4 prefixes, in address order.

185.138.129.0/24
185.138.130.0/23
185.180.212.0/22
195.208.191.0/24

IPv6 prefixes

All 1 prefix.

2a07:dc0::/29

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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