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AS43966
AS43966 ITREGION-AS OOO "IT-Region"
ITREGION-AS OOO "IT-Region" · registered in Russia
IPv4 addresses 12,544 9 prefixes · <0.001% of announced IPv4
Rank in Russia #418 largest network in RU by IPv4 space, of 4,937 · 0.03% of RU
Rank worldwide #8,072 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
Country Russia 4,993 ASNs registered there
IPv4 prefixes
All 9 prefixes, in address order.
79.173.64.0/23 79.173.66.0/24 79.173.67.0/24 79.173.77.0/24 79.173.80.0/20 91.227.44.0/22 94.243.192.0/20 94.243.236.0/22 193.111.252.0/22
Similar-sized networks in Russia
ASN Name IPv4 addresses
AS25532 #415 MASTERHOST-AS LLC "MASTERHOST"12,544
AS51034 #416 DSI-EAS JSC "ER-Telecom Holding"12,544
AS199599 #417 CIREX Telecom-Birzha, LLC12,544
AS49779 #420 INVESTPRIBOR-AS Joint-Stock Company Investpribor12,288
AS57304 #421 RETNRU-AS JSC "RetnNet"12,288
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