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AS59452 ZIS-AS Customized InformSystems Ltd

ZIS-AS Customized InformSystems Ltd · registered in Russia

IPv4 addresses2561 prefixes · <0.001% of announced IPv4
Rank in Russia#3,930largest network in RU by IPv4 space, of 4,937 · <0.01% of RU
Rank worldwide#69,116of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryRussia4,993 ASNs registered there

IPv4 prefixes

All 1 prefix, in address order.

  • 91.241.45.0/24

Similar-sized networks in Russia

ASNNameIPv4 addresses
AS59420#3927 MEDNET Medical Information Analityc Center of Kirov Region, Public Company256
AS59434#3928 AuctionHouse-AS JSC "The Auction house of the Russian Federation"256
AS59446#3929 DOCTORWEB Doctor Web Ltd256
AS59465#3931 sciener-AS LLC "Sciener"256
AS59483#3932 NCSP-NET PJSC Novorossiysk Commercial Sea Port256
AS59509#3933 RESOURCE-MEDIA LLC "Resource-Media"256

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