Network · AS31529

AS31529 DENIC eG

AS31529 (DENIC eG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS31529

OwnerDENIC eG
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,792
IPv4 ranges6
IPv6 ranges10

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

185.151.142.0/23
81.91.164.0/24
194.246.96.0/24
194.0.11.0/24
194.0.0.0/24
185.151.141.0/24

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

Check an IP address →

Detect it in code

Spot AS31529 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 AS31529

Is AS31529 a datacenter or VPN network?

AS31529 (DENIC eG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS31529?

AS31529 is registered to DENIC eG. It announces about 1,792 IPv4 addresses.

How do I detect traffic from AS31529?

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.