Network · AS16066

AS16066 T.E.S.T. Ltd

AS16066 (T.E.S.T. Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS16066

OwnerT.E.S.T. Ltd
KindInternet service provider
Servers, not peopleno
IPv4 addresses7,936
IPv4 ranges5
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

109.237.80.0/20
217.76.192.0/21
217.76.204.0/22
217.76.200.0/23
217.76.203.0/24

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

Check an IP address →

Detect it in code

Spot AS16066 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 AS16066

Is AS16066 a datacenter or VPN network?

AS16066 (T.E.S.T. Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS16066?

AS16066 is registered to T.E.S.T. Ltd. It announces about 7,936 IPv4 addresses.

How do I detect traffic from AS16066?

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.