Network · AS21221

AS21221 Infopact Netwerkdiensten B.V.

AS21221 (Infopact Netwerkdiensten B.V.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21221

OwnerInfopact Netwerkdiensten B.V.
KindInternet service provider
Servers, not peopleno
IPv4 addresses100,608
IPv4 ranges18
IPv6 ranges7

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

84.35.0.0/16
82.210.96.0/19
212.29.160.0/19
217.18.64.0/20
89.106.160.0/21
46.182.176.0/21
178.255.192.0/21
82.150.140.0/22
2.56.224.0/22
185.70.208.0/22
185.3.176.0/22
185.214.148.0/22

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

Check an IP address →

Detect it in code

Spot AS21221 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 AS21221

Is AS21221 a datacenter or VPN network?

AS21221 (Infopact Netwerkdiensten B.V.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21221?

AS21221 is registered to Infopact Netwerkdiensten B.V.. It announces about 100,608 IPv4 addresses.

How do I detect traffic from AS21221?

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.