AS51009 NICOS-MSK LLC Company NICOS

NICOS-MSK LLC Company NICOS · registered in Russia

IPv4 addresses8,1921 prefixes · <0.001% of announced IPv4

Rank in Russia#586largest network in RU by IPv4 space, of 4,937 · 0.02% of RU

Rank worldwide#10,188of 79,396 networks with IPv4

IPv68 x /32 (524,288 x /48)1 prefixes

CountryRussia4,993 ASNs registered there

Open AS51009 in ASN lookup Look up an IP in this network (83.166.96.1) All networks in Russia

IPv4 prefixes

All 1 prefix, in address order.

83.166.96.0/19

IPv6 prefixes

All 1 prefix.

2a11:8600::/29

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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