Network · AS140726

AS140726 China Unicom

AS140726 (China Unicom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS140726

  • OwnerChina Unicom
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses144,896
  • IPv4 ranges62
  • IPv6 ranges43
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 36.32.0.0/18
  • 36.35.0.0/19
  • 36.33.0.0/19
  • 220.205.64.0/19
  • 220.195.192.0/19
  • 112.122.0.0/19
  • 58.243.32.0/20
  • 58.242.192.0/20
  • 36.34.0.0/20
  • 36.33.32.0/20
  • 36.33.224.0/20
  • 220.205.224.0/20

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

Check an IP address →

Detect it in code

Spot AS140726 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 AS140726

Is AS140726 a datacenter or VPN network?

AS140726 (China Unicom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS140726?

AS140726 is registered to China Unicom. It announces about 144,896 IPv4 addresses.

How do I detect traffic from AS140726?

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.