Network · AS139587

AS139587 China Telecom

AS139587 (China Telecom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS139587

OwnerChina Telecom
KindInternet service provider
Servers, not peopleno
IPv4 addresses25,600
IPv4 ranges23
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

1.195.208.0/20
1.194.192.0/20
1.194.160.0/20
1.195.200.0/21
1.194.24.0/21
1.194.216.0/21
1.194.208.0/22
36.99.112.0/23
123.54.214.0/23
123.54.208.0/23
123.54.202.0/23
123.54.196.0/23

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

Check an IP address →

Detect it in code

Spot AS139587 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 AS139587

Is AS139587 a datacenter or VPN network?

AS139587 (China Telecom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS139587?

AS139587 is registered to China Telecom. It announces about 25,600 IPv4 addresses.

How do I detect traffic from AS139587?

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.