Network check
ASN
AS212237
- OwnerChanggong Zhang
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses1,024
- IPv4 ranges1
- IPv6 ranges2
Risk score0
Nothing suspicious found.
Network · AS212237
AS212237 Changgong Zhang
AS212237 (Changgong Zhang) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS212237 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 AS212237
Is AS212237 a datacenter or VPN network?
AS212237 (Changgong Zhang) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS212237?
AS212237 is registered to Changgong Zhang. It announces about 1,024 IPv4 addresses.
How do I detect traffic from AS212237?
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.