Network · AS12371

AS12371 avency GmbH

AS12371 (avency GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS12371

  • Owneravency GmbH
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses24,320
  • IPv4 ranges6
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 195.177.128.0/18
  • 195.60.112.0/20
  • 195.60.104.0/21
  • 195.60.100.0/22
  • 195.60.96.0/23
  • 195.60.98.0/24

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

Check an IP address →

Detect it in code

Spot AS12371 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 AS12371

Is AS12371 a datacenter or VPN network?

AS12371 (avency GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS12371?

AS12371 is registered to avency GmbH. It announces about 24,320 IPv4 addresses.

How do I detect traffic from AS12371?

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.