Network check
ASN
AS21612
- OwnerFUNDACAO INSTITUTO OSWALDO CRUZ
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses65,536
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS21612
AS21612 FUNDACAO INSTITUTO OSWALDO CRUZ
AS21612 (FUNDACAO INSTITUTO OSWALDO CRUZ) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS21612 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 AS21612
Is AS21612 a datacenter or VPN network?
AS21612 (FUNDACAO INSTITUTO OSWALDO CRUZ) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS21612?
AS21612 is registered to FUNDACAO INSTITUTO OSWALDO CRUZ. It announces about 65,536 IPv4 addresses.
How do I detect traffic from AS21612?
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.