Network · AS21207

AS21207 E.ON Verwaltungs GmbH

AS21207 (E.ON Verwaltungs GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21207

  • OwnerE.ON Verwaltungs GmbH
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses24,832
  • IPv4 ranges7
  • IPv6 ranges2
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 153.100.192.0/18
  • 193.25.64.0/20
  • 193.25.88.0/21
  • 193.25.84.0/22
  • 193.25.82.0/23
  • 153.100.0.0/23
  • 153.100.4.0/24

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

Check an IP address →

Detect it in code

Spot AS21207 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 AS21207

Is AS21207 a datacenter or VPN network?

AS21207 (E.ON Verwaltungs GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21207?

AS21207 is registered to E.ON Verwaltungs GmbH. It announces about 24,832 IPv4 addresses.

How do I detect traffic from AS21207?

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.