AS200954 alterra-as Andrey Shemanin

alterra-as Andrey Shemanin · registered in Russia

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in Russia#2,538largest network in RU by IPv4 space, of 4,937 · <0.01% of RU

Rank worldwide#47,582of 79,396 networks with IPv4

IPv6544 x /483 prefixes

CountryRussia4,993 ASNs registered there

Open AS200954 in ASN lookup Look up an IP in this network (81.90.20.1) All networks in Russia

IPv4 prefixes

All 2 prefixes, in address order.

81.90.20.0/24
81.90.24.0/24

IPv6 prefixes

All 3 prefixes.

2a0d:d940:5c0::/44
2a0d:d940:5e0::/44
2a0d:d940:b000::/39

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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