Network · AS8763

AS8763 DENIC eG

AS8763 (DENIC eG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS8763

OwnerDENIC eG
KindInternet service provider
Servers, not peopleno
IPv4 addresses3,840
IPv4 ranges4
IPv6 ranges30

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

81.91.168.0/21
81.91.160.0/22
81.91.166.0/23
81.91.165.0/24

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

Check an IP address →

Detect it in code

Spot AS8763 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 AS8763

Is AS8763 a datacenter or VPN network?

AS8763 (DENIC eG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS8763?

AS8763 is registered to DENIC eG. It announces about 3,840 IPv4 addresses.

How do I detect traffic from AS8763?

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.