Network · AS50673

AS50673 Serverius Holding B.V.

AS50673 (Serverius Holding B.V.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS50673

OwnerServerius Holding B.V.
KindInternet service provider
Servers, not peopleno
IPv4 addresses57,344
IPv4 ranges65
IPv6 ranges56

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

46.249.32.0/19
93.158.208.0/20
178.19.112.0/20
93.158.200.0/21
5.255.64.0/21
5.178.64.0/21
46.175.144.0/21
178.21.16.0/21
88.218.132.0/22
5.255.92.0/22
5.255.80.0/22
5.255.72.0/22

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS50673 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 AS50673

Is AS50673 a datacenter or VPN network?

AS50673 (Serverius Holding B.V.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS50673?

AS50673 is registered to Serverius Holding B.V.. It announces about 57,344 IPv4 addresses.

How do I detect traffic from AS50673?

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.