$ query “AS8491” --type=asn → 1 result(s)
AS8491 · BSH-AS
Scientific-Production Enterprise Business Sviaz Holding LLC
AS8491 belongs to Scientific-Production Enterprise Business Sviaz Holding LLC and is a residential access provider, based in Russia since 2002. The system announces a respectable 22 528 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Russia, with additional presence in the Netherlands.
Basic Information
- Country
- 🇷🇺 Russia
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- September 25, 2002
- Last Changed
- October 03, 2026
- Last Seen
- October 10, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 5 / 4
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 22 528
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇷🇺 Russia (22 272 IPs), 🇳🇱 Netherlands (256 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 5 upstreams providing transit
- Peers
- 7 networks exchanging traffic without transit
- Downstream Customers
- 2 downstreams buying transit
- Degree
- 14 unique BGP neighbors
- Reach
- 2 networks in customer cone
Upstream Providers (5)
Prefix Lists
IPv4 Prefixes (5 total)
- 82.194.224.0/19 (8 192 addresses (/19 prefix))
- 89.188.160.0/19 (8 192 addresses (/19 prefix))
- 81.95.32.0/20 (4 096 addresses (/20 prefix))
- 87.238.96.0/21 (2 048 addresses (/21 prefix))
IPv6 Prefixes (1 total)
- 2a03:8640::/32