Network check
ASN
AS39753
- OwnerKai Liu
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses256
- IPv4 ranges1
- IPv6 ranges12
Risk score0
Nothing suspicious found.
Network · AS39753
AS39753 Kai Liu
AS39753 (Kai Liu) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS39753 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 AS39753
Is AS39753 a datacenter or VPN network?
AS39753 (Kai Liu) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS39753?
AS39753 is registered to Kai Liu. It announces about 256 IPv4 addresses.
How do I detect traffic from AS39753?
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.