Network · AS44518

AS44518 MTS SYSTEM Sylwia Truszkowska

AS44518 (MTS SYSTEM Sylwia Truszkowska) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS44518

  • OwnerMTS SYSTEM Sylwia Truszkowska
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses256
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 91.199.140.0/24

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

Check an IP address →

Detect it in code

Spot AS44518 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 AS44518

Is AS44518 a datacenter or VPN network?

AS44518 (MTS SYSTEM Sylwia Truszkowska) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS44518?

AS44518 is registered to MTS SYSTEM Sylwia Truszkowska. It announces about 256 IPv4 addresses.

How do I detect traffic from AS44518?

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.