Network check
ASN
AS400653
- OwnerUniversity of Pennsylvania
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses512
- IPv4 ranges1
- IPv6 ranges1
Risk score0
Nothing suspicious found.
Network · AS400653
AS400653 University of Pennsylvania
AS400653 (University of Pennsylvania) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS400653 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 AS400653
Is AS400653 a datacenter or VPN network?
AS400653 (University of Pennsylvania) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS400653?
AS400653 is registered to University of Pennsylvania. It announces about 512 IPv4 addresses.
How do I detect traffic from AS400653?
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.