Network · AS139021

AS139021 West263 International Limited

AS139021 (West263 International Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS139021

OwnerWest263 International Limited
KindInternet service provider
Servers, not peopleno
IPv4 addresses24,064
IPv4 ranges13
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

218.247.64.0/19
219.234.16.0/20
219.234.0.0/21
43.250.116.0/22
43.249.0.0/22
43.224.152.0/22
103.96.148.0/22
103.43.188.0/22
103.24.248.0/22
103.139.0.0/22
103.120.80.0/22
103.108.192.0/22

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

Check an IP address →

Detect it in code

Spot AS139021 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 AS139021

Is AS139021 a datacenter or VPN network?

AS139021 (West263 International Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS139021?

AS139021 is registered to West263 International Limited. It announces about 24,064 IPv4 addresses.

How do I detect traffic from AS139021?

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.