Network check
ASN
AS43455
- OwnerSchlueter-Systems KG
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses256
- IPv4 ranges1
- IPv6 ranges1
Risk score0
Nothing suspicious found.
Network · AS43455
AS43455 Schlueter-Systems KG
AS43455 (Schlueter-Systems KG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS43455 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 AS43455
Is AS43455 a datacenter or VPN network?
AS43455 (Schlueter-Systems KG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS43455?
AS43455 is registered to Schlueter-Systems KG. It announces about 256 IPv4 addresses.
How do I detect traffic from AS43455?
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.