AS39143 BSH2-AS Scientific-Production Enterprise Business Sviaz Holding LLC

BSH2-AS Scientific-Production Enterprise Business Sviaz Holding LLC · registered in Russia

IPv4 addresses1,2802 prefixes · <0.001% of announced IPv4

Rank in Russia#1,722largest network in RU by IPv4 space, of 4,937 · <0.01% of RU

Rank worldwide#27,679of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryRussia4,993 ASNs registered there

Open AS39143 in ASN lookup Look up an IP in this network (89.188.162.1) All networks in Russia

IPv4 prefixes

All 2 prefixes, in address order.

89.188.162.0/24
185.211.240.0/22

IPv6 prefixes

All 1 prefix.

2a03:8641::/32

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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