Network check
ASN
AS57951
- OwnerYacast France SAS
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses2,048
- IPv4 ranges1
- IPv6 ranges1
Risk score0
Nothing suspicious found.
Network · AS57951
AS57951 Yacast France SAS
AS57951 (Yacast France SAS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS57951 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 AS57951
Is AS57951 a datacenter or VPN network?
AS57951 (Yacast France SAS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS57951?
AS57951 is registered to Yacast France SAS. It announces about 2,048 IPv4 addresses.
How do I detect traffic from AS57951?
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.