Network · AS12337

AS12337 noris network AG

AS12337 (noris network AG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS12337

Ownernoris network AG
KindInternet service provider
Servers, not peopleno
IPv4 addresses115,200
IPv4 ranges58
IPv6 ranges11

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

213.95.0.0/16
62.128.0.0/19
213.183.0.0/19
213.155.64.0/19
89.250.128.0/20
45.88.236.0/22
45.146.16.0/22
188.92.112.0/22
185.250.108.0/22
185.227.12.0/22
87.237.222.0/23
87.237.216.0/23

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

Check an IP address →

Detect it in code

Spot AS12337 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 AS12337

Is AS12337 a datacenter or VPN network?

AS12337 (noris network AG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS12337?

AS12337 is registered to noris network AG. It announces about 115,200 IPv4 addresses.

How do I detect traffic from AS12337?

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.