Network check
ASN
AS205259
- OwnerSubstrate HD SAS
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses256
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS205259
AS205259 Substrate HD SAS
AS205259 (Substrate HD SAS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS205259 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 AS205259
Is AS205259 a datacenter or VPN network?
AS205259 (Substrate HD SAS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS205259?
AS205259 is registered to Substrate HD SAS. It announces about 256 IPv4 addresses.
How do I detect traffic from AS205259?
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.