Network check
ASN
AS23623
- OwnerChuo University
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses65,536
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS23623
AS23623 Chuo University
AS23623 (Chuo University) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS23623 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 AS23623
Is AS23623 a datacenter or VPN network?
AS23623 (Chuo University) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS23623?
AS23623 is registered to Chuo University. It announces about 65,536 IPv4 addresses.
How do I detect traffic from AS23623?
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.