AS203121 YZA-AS Yusupbekov Zarbev Alipbekovich

YZA-AS Yusupbekov Zarbev Alipbekovich · registered in Russia

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Russia#4,371largest network in RU by IPv4 space, of 4,937 · <0.01% of RU

Rank worldwide#73,720of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryRussia4,993 ASNs registered there

Open AS203121 in ASN lookup Look up an IP in this network (45.137.86.1) All networks in Russia

IPv4 prefixes

All 1 prefix, in address order.

45.137.86.0/24

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AS203270#4372 RU_FORWARD_ENERGO_MSC PJSC Forward Energy256

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AS203353#4374 ASAGRISOVGAS Agrisovgaz Ltd.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