Network · AS204222

AS204222 Her Majesty's Revenue and Customs

AS204222 (Her Majesty's Revenue and Customs) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS204222

  • OwnerHer Majesty's Revenue and Customs
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses16,384
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 163.171.0.0/18

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

Check an IP address →

Detect it in code

Spot AS204222 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 AS204222

Is AS204222 a datacenter or VPN network?

AS204222 (Her Majesty's Revenue and Customs) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS204222?

AS204222 is registered to Her Majesty's Revenue and Customs. It announces about 16,384 IPv4 addresses.

How do I detect traffic from AS204222?

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.