Network · AS21286

AS21286 KPN B.V.

AS21286 (KPN B.V.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21286

OwnerKPN B.V.
KindInternet service provider
Servers, not peopleno
IPv4 addresses208,384
IPv4 ranges19
IPv6 ranges3

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

158.67.0.0/16
145.222.0.0/16
145.13.0.0/16
80.79.96.0/20
145.15.96.0/22
145.15.92.0/22
145.15.0.0/22
199.88.208.0/23
193.202.32.0/23
193.176.216.0/23
192.58.226.0/23
192.33.238.0/23

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

Check an IP address →

Detect it in code

Spot AS21286 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 AS21286

Is AS21286 a datacenter or VPN network?

AS21286 (KPN B.V.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21286?

AS21286 is registered to KPN B.V.. It announces about 208,384 IPv4 addresses.

How do I detect traffic from AS21286?

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.