Network · AS140636

AS140636 China Telecom

AS140636 (China Telecom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS140636

OwnerChina Telecom
KindInternet service provider
Servers, not peopleno
IPv4 addresses14,848
IPv4 ranges29
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

117.61.192.0/21
117.61.52.0/22
117.61.200.0/22
117.61.152.0/22
117.61.50.0/23
117.61.40.0/23
117.61.38.0/23
117.61.28.0/23
117.61.24.0/23
117.61.20.0/23
117.61.184.0/23
117.61.176.0/23

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

Check an IP address →

Detect it in code

Spot AS140636 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 AS140636

Is AS140636 a datacenter or VPN network?

AS140636 (China Telecom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS140636?

AS140636 is registered to China Telecom. It announces about 14,848 IPv4 addresses.

How do I detect traffic from AS140636?

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.