Network check
ASN
AS40427
- OwnerCisco Systems Ironport Division
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses512
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS40427
AS40427 Cisco Systems Ironport Division
AS40427 (Cisco Systems Ironport Division) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS40427 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 AS40427
Is AS40427 a datacenter or VPN network?
AS40427 (Cisco Systems Ironport Division) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS40427?
AS40427 is registered to Cisco Systems Ironport Division. It announces about 512 IPv4 addresses.
How do I detect traffic from AS40427?
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.