Network · AS12374

AS12374 LF.net Netzwerksysteme GmbH

AS12374 (LF.net Netzwerksysteme GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS12374

  • OwnerLF.net Netzwerksysteme GmbH
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses34,048
  • IPv4 ranges6
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 62.50.96.0/19
  • 213.178.160.0/19
  • 212.9.160.0/19
  • 212.118.160.0/19
  • 185.217.144.0/22
  • 192.188.136.0/24

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

Check an IP address →

Detect it in code

Spot AS12374 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 AS12374

Is AS12374 a datacenter or VPN network?

AS12374 (LF.net Netzwerksysteme GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS12374?

AS12374 is registered to LF.net Netzwerksysteme GmbH. It announces about 34,048 IPv4 addresses.

How do I detect traffic from AS12374?

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.