AS8491
Scientific-Production Enterprise Business Sviaz Holding LLC
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 2 internet exchanges: Eurasia Peering IX: Peering LAN, PITER-IX Moscow: MSK_PEERING_VLAN
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS8491 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 81.95.32.0/20 | 19,170 | 2026-07-26 03:08:58 |
| 89.188.160.0/19 | 18,498 | 2026-07-26 03:08:58 |
| 82.194.224.0/19 | 18,300 | 2026-07-26 03:08:58 |
| 87.238.96.0/21 | 16,659 | 2026-07-26 03:08:58 |
| 87.238.101.0/24 | 8,839 | 2026-07-26 03:08:58 |
Frequently Asked Questions
What is AS8491?
AS8491 is an Autonomous System Number assigned to Scientific-Production Enterprise Business Sviaz Holding LLC. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS8491 announce?
AS8491 announces 14.6K IPv4 addresses distributed across 16 routed CIDR prefixes. The network is registered in Russia.
Who operates AS8491?
AS8491 is operated by Scientific-Production Enterprise Business Sviaz Holding LLC. The organization is based in Russia. You can view all IP ranges and related ASNs on the organization page.
What country is AS8491 registered in?
AS8491 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
