AS51181 SIBSAU-NET State educational institution for higher professional education SIBERIAN STATE AEROSPACE UNIVERSITY named after M.F.Reshetnev

SIBSAU-NET State educational institution for higher professional education SIBERIAN STATE AEROSPACE UNIVERSITY named after M.F.Reshetnev · registered in Russia

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Russia#3,738largest network in RU by IPv4 space, of 4,937 · <0.01% of RU

Rank worldwide#67,964of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryRussia4,993 ASNs registered there

Open AS51181 in ASN lookup Look up an IP in this network (91.216.164.1) All networks in Russia

IPv4 prefixes

All 1 prefix, in address order.

91.216.164.0/24

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ASNNameIPv4 addresses

AS51081#3735 TETRON-AS LLC "TETRON"256

AS51117#3736 DANAFLEX-NANO-NET Danaflex Nano Ltd.256

AS51125#3737 POLYANA Limited Liability Company "Gazprom Polyana"256

AS51183#3739 ACOMPS-NET Aktiv Computers Ltd.256

AS51193#3740 INBANK-AS OOO "Inbank"256

AS51211#3741 OpenNet CRELCOM LLC256

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