Network check
ASN
AS61821
- OwnerSincroniza Digital LTDA
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses1,024
- IPv4 ranges1
- IPv6 ranges1
Risk score0
Nothing suspicious found.
Network · AS61821
AS61821 Sincroniza Digital LTDA
AS61821 (Sincroniza Digital LTDA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS61821 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 AS61821
Is AS61821 a datacenter or VPN network?
AS61821 (Sincroniza Digital LTDA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS61821?
AS61821 is registered to Sincroniza Digital LTDA. It announces about 1,024 IPv4 addresses.
How do I detect traffic from AS61821?
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.