AS56377 MGSK-AS JSC "ER-Telecom Holding"

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

IPv4 addresses16,6406 prefixes · <0.001% of announced IPv4

Rank in Russia#322largest network in RU by IPv4 space, of 4,937 · 0.04% of RU

Rank worldwide#6,819of 79,396 networks with IPv4

IPv61,024 x /481 prefixes

CountryRussia4,993 ASNs registered there

Open AS56377 in ASN lookup Look up an IP in this network (5.164.48.1) All networks in Russia

IPv4 prefixes

All 6 prefixes, in address order.

5.164.48.0/20
109.163.240.0/21
109.195.208.0/20
176.215.192.0/20
176.215.208.0/21
188.187.231.0/24

IPv6 prefixes

All 1 prefix.

2a02:2698:4000::/38

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AS57363#323 CDNvideo-AS CDNvideo LLC16,640

AS34584#324 KHBDSV PJSC Rostelecom16,640

AS44206#325 SIBSET-KRS-AS Sibirskie Seti Ltd.16,640

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