AS56676 MCS-AS OOO Modern Communication Systems

MCS-AS OOO Modern Communication Systems · registered in Russia

IPv4 addresses2,5603 prefixes · <0.001% of announced IPv4

Rank in Russia#1,269largest network in RU by IPv4 space, of 4,937 · <0.01% of RU

Rank worldwide#20,249of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryRussia4,993 ASNs registered there

Open AS56676 in ASN lookup Look up an IP in this network (31.130.120.1) All networks in Russia

IPv4 prefixes

All 3 prefixes, in address order.

31.130.120.0/21
91.237.209.0/24
92.62.116.0/24

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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