Network · AS140553

AS140553 China Telecom

AS140553 (China Telecom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS140553

OwnerChina Telecom
KindInternet service provider
Servers, not peopleno
IPv4 addresses86,016
IPv4 ranges34
IPv6 ranges18

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

110.157.64.0/18
110.154.64.0/19
106.123.160.0/19
49.116.128.0/20
36.109.144.0/20
110.155.112.0/20
110.154.16.0/20
106.123.144.0/20
49.112.224.0/21
36.109.200.0/21
36.109.176.0/21
36.107.96.0/21

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

Check an IP address →

Detect it in code

Spot AS140553 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 AS140553

Is AS140553 a datacenter or VPN network?

AS140553 (China Telecom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS140553?

AS140553 is registered to China Telecom. It announces about 86,016 IPv4 addresses.

How do I detect traffic from AS140553?

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.