Network check
ASN
AS25371
- OwnerKeldysh Institute of Applied Mathemati
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses1,024
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS25371
AS25371 Keldysh Institute of Applied Mathematics, Russian Academy of Sciences
AS25371 (Keldysh Institute of Applied Mathematics, Russian Academy of Sciences) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS25371 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 AS25371
Is AS25371 a datacenter or VPN network?
AS25371 (Keldysh Institute of Applied Mathematics, Russian Academy of Sciences) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS25371?
AS25371 is registered to Keldysh Institute of Applied Mathematics, Russian Academy of Sciences. It announces about 1,024 IPv4 addresses.
How do I detect traffic from AS25371?
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.