Network check
ASN
AS213731
- OwnerWestfalen-Informatik AG
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses256
- IPv4 ranges1
- IPv6 ranges1
Risk score0
Nothing suspicious found.
Network · AS213731
AS213731 Westfalen-Informatik AG
AS213731 (Westfalen-Informatik AG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS213731 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 AS213731
Is AS213731 a datacenter or VPN network?
AS213731 (Westfalen-Informatik AG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS213731?
AS213731 is registered to Westfalen-Informatik AG. It announces about 256 IPv4 addresses.
How do I detect traffic from AS213731?
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.