Network · AS198050

AS198050 Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j.

AS198050 (Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS198050

  • OwnerMarek Piwowarski trading as ALFA-SYSTE
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses5,120
  • IPv4 ranges9
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 176.97.24.0/21
  • 91.231.80.0/22
  • 91.231.70.0/23
  • 64.46.124.0/24
  • 64.190.43.0/24
  • 5.253.230.0/24
  • 212.47.33.0/24
  • 209.162.203.0/24
  • 194.169.138.0/24

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

Check an IP address →

Detect it in code

Spot AS198050 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 AS198050

Is AS198050 a datacenter or VPN network?

AS198050 (Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS198050?

AS198050 is registered to Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j.. It announces about 5,120 IPv4 addresses.

How do I detect traffic from AS198050?

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.