Network check
ASN
AS24371
- OwnerCERNET2 IX at Jilin University
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses65,536
- IPv4 ranges1
- IPv6 ranges2
Risk score0
Nothing suspicious found.
Network · AS24371
AS24371 CERNET2 IX at Jilin University
AS24371 (CERNET2 IX at Jilin University) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS24371 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 AS24371
Is AS24371 a datacenter or VPN network?
AS24371 (CERNET2 IX at Jilin University) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS24371?
AS24371 is registered to CERNET2 IX at Jilin University. It announces about 65,536 IPv4 addresses.
How do I detect traffic from AS24371?
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.