AS8491 BSH-AS Scientific-Production Enterprise Business Sviaz Holding LLC

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

IPv4 addresses14,59218 prefixes · <0.001% of announced IPv4

Rank in Russia#367largest network in RU by IPv4 space, of 4,937 · 0.03% of RU

Rank worldwide#7,429of 79,396 networks with IPv4

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

CountryRussia4,993 ASNs registered there

Open AS8491 in ASN lookup Look up an IP in this network (81.95.32.1) All networks in Russia

IPv4 prefixes

All 18 prefixes, in address order.

81.95.32.0/21
81.95.40.0/24
81.95.44.0/22
82.194.224.0/21
82.194.232.0/22
82.194.238.0/23
82.194.240.0/23
82.194.249.0/24
82.194.250.0/23
82.194.252.0/22
87.238.96.0/22
87.238.100.0/23
87.238.102.0/23
89.188.161.0/24
89.188.163.0/24
89.188.172.0/23
89.188.181.0/24
89.188.184.0/21

IPv6 prefixes

All 1 prefix.

2a03:8640::/32

Similar-sized networks in Russia

ASNNameIPv4 addresses

AS56690#364 VNET-LLC-AS VNET LLC14,848

AS204720#365 CDNetworks GLOBAL CLOUD NETWORK LLC14,848

AS3175#366 CITYTELECOM-MSK Citytelecom LLC14,592

AS31208#368 MF-CENTER-AS PJSC MegaFon14,592

AS60246#369 PG-19 Consumer Internet Cooperative PG-1914,592

AS24588#370 NETPROVODOV-AS JSC "ER-Telecom Holding"14,592

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