Network · AS13266

AS13266 Havenbedrijf Rotterdam n.v.

AS13266 (Havenbedrijf Rotterdam n.v.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS13266

OwnerHavenbedrijf Rotterdam n.v.
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,792
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

141.176.52.0/22
141.176.60.0/23
141.176.38.0/24

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

Check an IP address →

Detect it in code

Spot AS13266 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 AS13266

Is AS13266 a datacenter or VPN network?

AS13266 (Havenbedrijf Rotterdam n.v.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS13266?

AS13266 is registered to Havenbedrijf Rotterdam n.v.. It announces about 1,792 IPv4 addresses.

How do I detect traffic from AS13266?

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.