Network check
ASN
AS12423
- OwnerNicolaus Copernicus University in Toru
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses32,768
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS12423
AS12423 Nicolaus Copernicus University in Torun
AS12423 (Nicolaus Copernicus University in Torun) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS12423 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 AS12423
Is AS12423 a datacenter or VPN network?
AS12423 (Nicolaus Copernicus University in Torun) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS12423?
AS12423 is registered to Nicolaus Copernicus University in Torun. It announces about 32,768 IPv4 addresses.
How do I detect traffic from AS12423?
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.