Network · AS206523

AS206523 Poznan University of Technology

AS206523 (Poznan University of Technology) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS206523

OwnerPoznan University of Technology
KindInternet service provider
Servers, not peopleno
IPv4 addresses13,568
IPv4 ranges16
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

150.254.16.0/20
150.254.8.0/21
150.254.4.0/22
150.254.32.0/22
150.254.132.0/22
150.254.52.0/23
150.254.50.0/23
150.254.46.0/23
150.254.40.0/23
150.254.2.0/23
150.254.130.0/23
150.254.54.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS206523 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 AS206523

Is AS206523 a datacenter or VPN network?

AS206523 (Poznan University of Technology) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS206523?

AS206523 is registered to Poznan University of Technology. It announces about 13,568 IPv4 addresses.

How do I detect traffic from AS206523?

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.