AS56791 CT-AS CityTelekom Ltd.

CT-AS CityTelekom Ltd. · registered in Russia

IPv4 addresses13,3127 prefixes · <0.001% of announced IPv4

Rank in Russia#395largest network in RU by IPv4 space, of 4,937 · 0.03% of RU

Rank worldwide#7,822of 79,396 networks with IPv4

IPv6256 x /481 prefixes

CountryRussia4,993 ASNs registered there

Open AS56791 in ASN lookup Look up an IP in this network (94.243.224.1) All networks in Russia

IPv4 prefixes

All 7 prefixes, in address order.

94.243.224.0/21
94.243.232.0/22
176.32.128.0/19
176.119.197.0/24
185.45.100.0/22
185.134.121.0/24
185.134.122.0/23

IPv6 prefixes

All 1 prefix.

2a00:9e80::/40

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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