AS41403 ULAN-UDE-AS JSC "ER-Telecom Holding"

ULAN-UDE-AS JSC "ER-Telecom Holding" · registered in Russia

IPv4 addresses22,27212 prefixes · <0.001% of announced IPv4

Rank in Russia#243largest network in RU by IPv4 space, of 4,937 · 0.05% of RU

Rank worldwide#5,801of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryRussia4,993 ASNs registered there

Open AS41403 in ASN lookup Look up an IP in this network (5.3.27.1) All networks in Russia

IPv4 prefixes

All 12 prefixes, in address order.

5.3.27.0/24
46.236.128.0/20
46.236.144.0/21
46.236.152.0/22
46.236.156.0/22
78.136.224.0/20
78.136.240.0/21
84.22.200.0/22
91.224.102.0/23
146.247.4.0/22
176.212.140.0/22
176.214.192.0/20

Similar-sized networks in Russia

ASNNameIPv4 addresses

AS39728#240 Luganet Likhno Dmitriy trading as Luganet22,528

AS42110#241 STK-AS PJSC "Vimpelcom"22,528

AS34150#242 RU-ERTH-KRASNODAR-AS JSC "ER-Telecom Holding"22,272

AS41822#244 TNGS-NORTH-AS MTS PJSC22,272

AS8636#245 MAXNET MAXnet Systems Ltd.22,016

AS34757#246 SIBSET-NSK-AS Sibirskie Seti Ltd.22,016

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