Network check
ASN
AS140903
- OwnerChina Telecom
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses4,096
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS140903
AS140903 China Telecom
AS140903 (China Telecom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS140903 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 AS140903
Is AS140903 a datacenter or VPN network?
AS140903 (China Telecom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS140903?
AS140903 is registered to China Telecom. It announces about 4,096 IPv4 addresses.
How do I detect traffic from AS140903?
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.