Network · AS13237

AS13237 euNetworks GmbH

AS13237 (euNetworks GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS13237

  • OwnereuNetworks GmbH
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses539,648
  • IPv4 ranges143
  • IPv6 ranges32
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 83.127.0.0/16
  • 83.124.0.0/16
  • 159.154.0.0/16
  • 84.207.0.0/17
  • 83.126.128.0/17
  • 83.125.128.0/17
  • 84.207.128.0/18
  • 83.133.0.0/18
  • 83.126.64.0/18
  • 83.133.96.0/19
  • 83.133.192.0/19
  • 83.133.128.0/19

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

Check an IP address →

Detect it in code

Spot AS13237 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 AS13237

Is AS13237 a datacenter or VPN network?

AS13237 (euNetworks GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS13237?

AS13237 is registered to euNetworks GmbH. It announces about 539,648 IPv4 addresses.

How do I detect traffic from AS13237?

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.