Network check
ASN
AS203030
- OwnerKALYST SARL
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses1,024
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS203030
AS203030 KALYST SARL
AS203030 (KALYST SARL) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS203030 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 AS203030
Is AS203030 a datacenter or VPN network?
AS203030 (KALYST SARL) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS203030?
AS203030 is registered to KALYST SARL. It announces about 1,024 IPv4 addresses.
How do I detect traffic from AS203030?
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.