Network check
ASN
AS21247
- OwnerAssociation IP Synergies
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses512
- IPv4 ranges1
- IPv6 ranges1
Risk score0
Nothing suspicious found.
Network · AS21247
AS21247 Association IP Synergies
AS21247 (Association IP Synergies) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS21247 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 AS21247
Is AS21247 a datacenter or VPN network?
AS21247 (Association IP Synergies) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS21247?
AS21247 is registered to Association IP Synergies. It announces about 512 IPv4 addresses.
How do I detect traffic from AS21247?
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.