Autonomous System
AS8491 Scientific-Production Enterprise Business Sviaz Holding LLC
ISPActiveRussiaRIPE
AS8491 (BSH-AS) is an ISP network operated by Scientific-Production Enterprise Business Sviaz Holding LLC in Russia, registered with RIPE. It has 5 IPv4 prefixes with 22,784 addresses and 1 IPv6 prefix, which makes it the 6,350th largest of 82,141 active autonomous systems by IPv4 space.
IPv4 addresses22,784in 5 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#6,350of 82,141 active ASNs
Details
OrganizationScientific-Production Enterprise Business Sviaz Holding LLC
AS nameBSH-AS
Websitebsh.ru
Country Russia (RU)
Network typeISP
RegistryRIPE
Abuse contactlir@bsh.ru
Registered2002-09-25
Last updated2026-07-17
IPv4 prefixes
5 prefixes · 22,784 addresses| Network | Addresses | First – last address |
|---|---|---|
| 82.194.224.0/19 | 8,192 | 82.194.224.0 – 82.194.255.255 |
| 89.188.160.0/19 | 8,192 | 89.188.160.0 – 89.188.191.255 |
| 81.95.32.0/20 | 4,096 | 81.95.32.0 – 81.95.47.255 |
| 87.238.96.0/21 | 2,048 | 87.238.96.0 – 87.238.103.255 |
| 87.238.101.0/24 | 256 | 87.238.101.0 – 87.238.101.255 |
82.194.224.0/19 89.188.160.0/19 81.95.32.0/20 87.238.96.0/21 87.238.101.0/24
IPv6 prefixes
1 prefix- 2a03:8640::/32
2a03:8640::/32
Query AS8491 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS8491&key=YOUR_API_KEY"Any address in its prefixes resolves to AS8491, with or without a key:
curl "https://api.ipapi.is/?q=82.194.224.1"