Network · AS8491

AS8491 Scientific-Production Enterprise Business Sviaz Holding LLC

AS8491 (Scientific-Production Enterprise Business Sviaz Holding LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS8491

OwnerScientific-Production Enterprise Busin
KindInternet service provider
Servers, not peopleno
IPv4 addresses14,592
IPv4 ranges16
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

89.188.184.0/21
87.238.96.0/21
82.194.224.0/21
81.95.32.0/21
82.194.252.0/22
82.194.232.0/22
81.95.44.0/22
89.188.172.0/23
82.194.250.0/23
82.194.240.0/23
82.194.238.0/23
89.188.181.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-21.

Check an IP address →

Detect it in code

Spot AS8491 traffic at signup.

Send the visitor's IP. The response includes the ASN, the owner and flags.hosting.

curl https://veqen-app.com/v1/ip/check \
  -H "Authorization: Bearer $VEQEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"ip": "203.0.113.7"}'

import os, requests

r = requests.post(
    "https://veqen-app.com/v1/ip/check",
    headers={"Authorization": f"Bearer {os.environ['VEQEN_API_KEY']}"},
    json={"ip": "203.0.113.7"},
    timeout=10,
)
result = r.json()
print(result["risk"]["verdict"], result["risk"]["reasons"])

const res = await fetch("https://veqen-app.com/v1/ip/check", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.VEQEN_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({"ip": "203.0.113.7"}),
});
const result = await res.json();
console.log(result.risk.verdict, result.risk.reasons);

Questions

About AS8491

Is AS8491 a datacenter or VPN network?

AS8491 (Scientific-Production Enterprise Business Sviaz Holding LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS8491?

AS8491 is registered to Scientific-Production Enterprise Business Sviaz Holding LLC. It announces about 14,592 IPv4 addresses.

How do I detect traffic from AS8491?

Call the Veqen IP check with the visitor's address. The response includes the ASN, the owner and whether the network is a datacenter, VPN network, relay or ISP.