Network · AS56983

AS56983 SWIDMAN S.C. Mariusz Bzowski, Dariusz Drelich

AS56983 (SWIDMAN S.C. Mariusz Bzowski, Dariusz Drelich) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS56983

  • OwnerSWIDMAN S.C. Mariusz Bzowski, Dariusz
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses4,096
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 31.135.16.0/20

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

Check an IP address →

Detect it in code

Spot AS56983 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 AS56983

Is AS56983 a datacenter or VPN network?

AS56983 (SWIDMAN S.C. Mariusz Bzowski, Dariusz Drelich) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS56983?

AS56983 is registered to SWIDMAN S.C. Mariusz Bzowski, Dariusz Drelich. It announces about 4,096 IPv4 addresses.

How do I detect traffic from AS56983?

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.