Network · AS20976

AS20976 Domainmaster LTD

AS20976 (Domainmaster LTD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS20976

  • OwnerDomainmaster LTD
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses3,840
  • IPv4 ranges4
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 217.14.128.0/21
  • 217.14.140.0/22
  • 217.14.136.0/23
  • 217.14.139.0/24

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

Check an IP address →

Detect it in code

Spot AS20976 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 AS20976

Is AS20976 a datacenter or VPN network?

AS20976 (Domainmaster LTD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS20976?

AS20976 is registered to Domainmaster LTD. It announces about 3,840 IPv4 addresses.

How do I detect traffic from AS20976?

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.