Network check
ASN
AS18172
- OwnerITSYSTEM LLC
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses256
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS18172
AS18172 ITSYSTEM LLC
AS18172 (ITSYSTEM LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS18172 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 AS18172
Is AS18172 a datacenter or VPN network?
AS18172 (ITSYSTEM LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS18172?
AS18172 is registered to ITSYSTEM LLC. It announces about 256 IPv4 addresses.
How do I detect traffic from AS18172?
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.