Network · AS20504

AS20504 RTL Nederland B.V.

AS20504 (RTL Nederland B.V.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS20504

OwnerRTL Nederland B.V.
KindInternet service provider
Servers, not peopleno
IPv4 addresses4,096
IPv4 ranges1
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

217.118.160.0/20

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

Check an IP address →

Detect it in code

Spot AS20504 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 AS20504

Is AS20504 a datacenter or VPN network?

AS20504 (RTL Nederland B.V.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS20504?

AS20504 is registered to RTL Nederland B.V.. It announces about 4,096 IPv4 addresses.

How do I detect traffic from AS20504?

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.