Network · AS8942

AS8942 Costar UK Limited

AS8942 (Costar UK Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS8942

OwnerCostar UK Limited
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,792
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

212.9.192.0/22
212.9.216.0/23
212.9.196.0/24

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

Check an IP address →

Detect it in code

Spot AS8942 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 AS8942

Is AS8942 a datacenter or VPN network?

AS8942 (Costar UK Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS8942?

AS8942 is registered to Costar UK Limited. It announces about 1,792 IPv4 addresses.

How do I detect traffic from AS8942?

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.