Network check
ASN
AS3337
- OwnerColocationIX GmbH
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses256
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS3337
AS3337 ColocationIX GmbH
AS3337 (ColocationIX GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS3337 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 AS3337
Is AS3337 a datacenter or VPN network?
AS3337 (ColocationIX GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS3337?
AS3337 is registered to ColocationIX GmbH. It announces about 256 IPv4 addresses.
How do I detect traffic from AS3337?
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.