AS59713 ERTH-KURSK-AS JSC "ER-Telecom Holding"

ERTH-KURSK-AS JSC "ER-Telecom Holding" · registered in Russia

IPv4 addresses19,71217 prefixes · <0.001% of announced IPv4

Rank in Russia#269largest network in RU by IPv4 space, of 4,937 · 0.05% of RU

Rank worldwide#6,195of 79,396 networks with IPv4

IPv61,024 x /481 prefixes

CountryRussia4,993 ASNs registered there

Open AS59713 in ASN lookup Look up an IP in this network (5.3.21.1) All networks in Russia

IPv4 prefixes

All 17 prefixes, in address order.

5.3.21.0/24
78.139.208.0/21
109.194.48.0/21
109.194.56.0/22
109.194.60.0/24
109.194.61.0/24
109.194.62.0/23
176.214.128.0/20
176.214.144.0/23
176.214.146.0/23
176.214.148.0/22
176.214.152.0/21
188.187.136.0/21
188.187.216.0/23
188.187.218.0/24
188.187.220.0/24
188.234.168.0/21

IPv6 prefixes

All 1 prefix.

2a02:2698:3800::/38

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AS31205#270 MF-SIB-AS PJSC MegaFon19,712

AS47236#271 CITYLINK-AS CityLink Ltd19,712

AS48330#272 GIGANET-UA-AS Sinev Maksim Viktorovich19,712

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