Network check
ASN
AS328357
- OwnerCastlenet Consulting Limited
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses512
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS328357
AS328357 Castlenet Consulting Limited
AS328357 (Castlenet Consulting Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS328357 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 AS328357
Is AS328357 a datacenter or VPN network?
AS328357 (Castlenet Consulting Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS328357?
AS328357 is registered to Castlenet Consulting Limited. It announces about 512 IPv4 addresses.
How do I detect traffic from AS328357?
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.