Network · AS43991

AS43991 Voronezh Telecom LLC

AS43991 (Voronezh Telecom LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS43991

  • OwnerVoronezh Telecom LLC
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses5,120
  • IPv4 ranges17
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 185.144.60.0/22
  • 95.215.57.0/24
  • 84.252.70.0/24
  • 77.243.83.0/24
  • 45.8.88.0/24
  • 45.132.131.0/24
  • 194.61.232.0/24
  • 194.26.135.0/24
  • 193.228.130.0/24
  • 193.19.190.0/24
  • 193.187.107.0/24
  • 193.135.135.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS43991 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 AS43991

Is AS43991 a datacenter or VPN network?

AS43991 (Voronezh Telecom LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS43991?

AS43991 is registered to Voronezh Telecom LLC. It announces about 5,120 IPv4 addresses.

How do I detect traffic from AS43991?

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.