Network check
ASN
AS203420
- OwnerBjoern Maenken
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses256
- IPv4 ranges1
- IPv6 ranges2
Risk score0
Nothing suspicious found.
Network · AS203420
AS203420 Bjoern Maenken
AS203420 (Bjoern Maenken) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS203420 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 AS203420
Is AS203420 a datacenter or VPN network?
AS203420 (Bjoern Maenken) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS203420?
AS203420 is registered to Bjoern Maenken. It announces about 256 IPv4 addresses.
How do I detect traffic from AS203420?
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.