Network · AS42873

AS42873 Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.

AS42873 (Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS42873

  • OwnerMax-Planck-Gesellschaft zur Forderung
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses67,072
  • IPv4 ranges6
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 134.105.0.0/16
  • 192.124.26.0/23
  • 192.129.30.0/24
  • 192.124.28.0/24
  • 192.124.25.0/24
  • 134.107.202.0/24

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

Check an IP address →

Detect it in code

Spot AS42873 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 AS42873

Is AS42873 a datacenter or VPN network?

AS42873 (Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS42873?

AS42873 is registered to Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.. It announces about 67,072 IPv4 addresses.

How do I detect traffic from AS42873?

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.