Network check
ASN
AS43476
- Ownerleniwiec.biz Grzegorz Kulewski
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses256
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS43476
AS43476 leniwiec.biz Grzegorz Kulewski
AS43476 (leniwiec.biz Grzegorz Kulewski) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS43476 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 AS43476
Is AS43476 a datacenter or VPN network?
AS43476 (leniwiec.biz Grzegorz Kulewski) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS43476?
AS43476 is registered to leniwiec.biz Grzegorz Kulewski. It announces about 256 IPv4 addresses.
How do I detect traffic from AS43476?
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.