AS56420 RYAZAN-AS JSC "ER-Telecom Holding"

RYAZAN-AS JSC "ER-Telecom Holding" · registered in Russia

IPv4 addresses67,58444 prefixes · 0.002% of announced IPv4

Rank in Russia#79largest network in RU by IPv4 space, of 4,937 · 0.15% of RU

Rank worldwide#2,558of 79,396 networks with IPv4

IPv61,024 x /481 prefixes

CountryRussia4,993 ASNs registered there

Open AS56420 in ASN lookup Look up an IP in this network (5.3.23.1) All networks in Russia

IPv4 prefixes

All 44 prefixes, in address order.

5.3.23.0/24
5.166.248.0/22
5.166.252.0/23
5.166.254.0/23
31.44.48.0/22
31.44.52.0/23
31.44.54.0/23
31.44.56.0/21
31.132.162.0/23
31.132.184.0/22
37.112.96.0/20
37.203.200.0/22
37.203.204.0/23
37.203.206.0/23
77.106.112.0/20
78.31.72.0/21
84.22.192.0/23
92.39.136.0/21
94.231.112.0/20
95.78.192.0/20
109.195.160.0/20
176.104.192.0/19
176.112.128.0/22
176.112.132.0/23
176.112.134.0/23
176.112.136.0/21
176.212.160.0/21
176.212.168.0/22
176.212.172.0/23
176.212.174.0/23
176.212.176.0/22
176.212.180.0/23
176.212.182.0/23
176.212.184.0/22
176.212.188.0/24
176.212.189.0/24
176.212.190.0/23
176.214.16.0/20
176.215.168.0/21
176.241.224.0/21
188.187.228.0/24
188.233.224.0/21
193.34.8.0/22
195.110.46.0/23

IPv6 prefixes

All 1 prefix.

2a02:2698:6400::/38

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AS15640#80 FPIC-AS MTS PJSC67,072

AS41843#81 ERTH-OMSK-AS JSC "ER-Telecom Holding"66,816

AS35728#82 MTS-PENZA-AS MTS PJSC66,560

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