AS42527 EXPERT-SYSTEMA-AS Expert System Ltd

EXPERT-SYSTEMA-AS Expert System Ltd · registered in Russia

IPv4 addresses2,0481 prefixes · <0.001% of announced IPv4

Rank in Russia#1,390largest network in RU by IPv4 space, of 4,937 · <0.01% of RU

Rank worldwide#23,368of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryRussia4,993 ASNs registered there

Open AS42527 in ASN lookup Look up an IP in this network (89.113.128.1) All networks in Russia

IPv4 prefixes

All 1 prefix, in address order.

89.113.128.0/21

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ASNNameIPv4 addresses

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AS42740#1391 BACKSTAGE-AS Backstage Ltd.2,048

AS42753#1392 MTK-ERA-AS Sergey Cherentayev2,048

AS42827#1393 COMPLEXTELESYS-AS OOO Kolpinskie Internet-Seti2,048

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