Network check
ASN
AS40387
- OwnerUniversity of Illinois
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses2,048
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS40387
AS40387 University of Illinois
AS40387 (University of Illinois) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS40387 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 AS40387
Is AS40387 a datacenter or VPN network?
AS40387 (University of Illinois) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS40387?
AS40387 is registered to University of Illinois. It announces about 2,048 IPv4 addresses.
How do I detect traffic from AS40387?
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.