Network check
ASN
AS28275
- OwnerFundacao Casper Libero
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses4,096
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS28275
AS28275 Fundacao Casper Libero
AS28275 (Fundacao Casper Libero) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS28275 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 AS28275
Is AS28275 a datacenter or VPN network?
AS28275 (Fundacao Casper Libero) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS28275?
AS28275 is registered to Fundacao Casper Libero. It announces about 4,096 IPv4 addresses.
How do I detect traffic from AS28275?
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.