AS201123 ZT-UFA-AS OOO SET

ZT-UFA-AS OOO SET · registered in Russia

IPv4 addresses2,3045 prefixes · <0.001% of announced IPv4

Rank in Russia#1,320largest network in RU by IPv4 space, of 4,937 · <0.01% of RU

Rank worldwide#21,153of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryRussia4,993 ASNs registered there

Open AS201123 in ASN lookup Look up an IP in this network (81.177.192.1) All networks in Russia

IPv4 prefixes

All 5 prefixes, in address order.

81.177.192.0/24
213.59.128.0/22
213.59.151.0/24
213.59.152.0/23
213.59.159.0/24

Similar-sized networks in Russia

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AS198769#1317 LLC3DATADC LLC 3data DC2,304

AS199101#1318 CT-AS Chernykh Tatyana Anatolyevna2,304

AS200982#1319 ZT-TOMSK-AS OOO SET2,304

AS203695#1321 ISP-AS Saypudinov Ayatula2,304

AS205460#1322 RG-SV LLC Svyaz Invest2,304

AS207165#1323 OOO5COM OOO 05COM2,304

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