Network · AS203786

AS203786 Patrick Westenberg trading as Westenberg + Kueppers GbR

AS203786 (Patrick Westenberg trading as Westenberg + Kueppers GbR) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS203786

  • OwnerPatrick Westenberg trading as Westenbe
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses256
  • IPv4 ranges1
  • IPv6 ranges3
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 193.101.13.0/24

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

Check an IP address →

Detect it in code

Spot AS203786 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 AS203786

Is AS203786 a datacenter or VPN network?

AS203786 (Patrick Westenberg trading as Westenberg + Kueppers GbR) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS203786?

AS203786 is registered to Patrick Westenberg trading as Westenberg + Kueppers GbR. It announces about 256 IPv4 addresses.

How do I detect traffic from AS203786?

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.