Network check
ASN
AS1523
- OwnerHeadquarters, USAISC
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses256
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS1523
AS1523 Headquarters, USAISC
AS1523 (Headquarters, USAISC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS1523 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 AS1523
Is AS1523 a datacenter or VPN network?
AS1523 (Headquarters, USAISC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS1523?
AS1523 is registered to Headquarters, USAISC. It announces about 256 IPv4 addresses.
How do I detect traffic from AS1523?
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.