Network · AS139018

AS139018 China Telecom

AS139018 (China Telecom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS139018

  • OwnerChina Telecom
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses13,312
  • IPv4 ranges20
  • IPv6 ranges2
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 36.99.0.0/21
  • 36.99.20.0/22
  • 123.53.180.0/22
  • 123.149.172.0/22
  • 106.46.24.0/22
  • 1.193.220.0/22
  • 1.193.208.0/22
  • 36.99.26.0/23
  • 36.99.16.0/23
  • 123.53.138.0/23
  • 123.162.190.0/23
  • 1.193.216.0/23

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

Check an IP address →

Detect it in code

Spot AS139018 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 AS139018

Is AS139018 a datacenter or VPN network?

AS139018 (China Telecom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS139018?

AS139018 is registered to China Telecom. It announces about 13,312 IPv4 addresses.

How do I detect traffic from AS139018?

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.