AS6699 URAN-AS Federal State Budgetary Institution of Science 'N.N. Krasovskii Institute of Mathematics and Mechanics' of the Ural Branch of the Russian Academy of Sciences

URAN-AS Federal State Budgetary Institution of Science 'N.N. Krasovskii Institute of Mathematics and Mechanics' of the Ural Branch of the Russian Academy of Sciences · registered in Russia

IPv4 addresses3,84011 prefixes · <0.001% of announced IPv4

Rank in Russia#1,022largest network in RU by IPv4 space, of 4,937 · <0.01% of RU

Rank worldwide#16,687of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryRussia4,993 ASNs registered there

Open AS6699 in ASN lookup Look up an IP in this network (195.19.128.1) All networks in Russia

IPv4 prefixes

All 11 prefixes, in address order.

195.19.128.0/23
195.19.130.0/24
195.19.132.0/24
195.19.135.0/24
195.19.136.0/22
195.19.140.0/24
195.19.142.0/24
195.19.145.0/24
195.19.148.0/24
195.19.151.0/24
195.19.157.0/24

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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