Network · AS213512

AS213512 Lorenz Knak trading as IT-adjutor GbR

AS213512 (Lorenz Knak trading as IT-adjutor GbR) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS213512

  • OwnerLorenz Knak trading as IT-adjutor GbR
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses256
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 5.175.142.0/24

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

Check an IP address →

Detect it in code

Spot AS213512 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 AS213512

Is AS213512 a datacenter or VPN network?

AS213512 (Lorenz Knak trading as IT-adjutor GbR) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS213512?

AS213512 is registered to Lorenz Knak trading as IT-adjutor GbR. It announces about 256 IPv4 addresses.

How do I detect traffic from AS213512?

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.