Network · AS34520

AS34520 Deutsche Forschungsgemeinschaft e.V.

AS34520 (Deutsche Forschungsgemeinschaft e.V.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS34520

OwnerDeutsche Forschungsgemeinschaft e.V.
KindInternet service provider
Servers, not peopleno
IPv4 addresses2,048
IPv4 ranges1
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

83.143.0.0/21

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

Check an IP address →

Detect it in code

Spot AS34520 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 AS34520

Is AS34520 a datacenter or VPN network?

AS34520 (Deutsche Forschungsgemeinschaft e.V.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS34520?

AS34520 is registered to Deutsche Forschungsgemeinschaft e.V.. It announces about 2,048 IPv4 addresses.

How do I detect traffic from AS34520?

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.