Network check
ASN
AS204523
- OwnerExpresso Telecom Group Ltd
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses1,024
- IPv4 ranges1
- IPv6 ranges1
Risk score0
Nothing suspicious found.
Network · AS204523
AS204523 Expresso Telecom Group Ltd
AS204523 (Expresso Telecom Group Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS204523 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 AS204523
Is AS204523 a datacenter or VPN network?
AS204523 (Expresso Telecom Group Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS204523?
AS204523 is registered to Expresso Telecom Group Ltd. It announces about 1,024 IPv4 addresses.
How do I detect traffic from AS204523?
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.