Network · AS8508

AS8508 Silesian University of Technology, Computer Centre

AS8508 (Silesian University of Technology, Computer Centre) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS8508

OwnerSilesian University of Technology, Com
KindInternet service provider
Servers, not peopleno
IPv4 addresses160,000
IPv4 ranges8
IPv6 ranges3

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

157.158.0.0/16
155.158.0.0/16
83.230.96.0/19
213.227.96.0/19
83.230.64.0/20
213.227.80.0/20
212.106.176.0/20
91.220.103.0/24

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

Check an IP address →

Detect it in code

Spot AS8508 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 AS8508

Is AS8508 a datacenter or VPN network?

AS8508 (Silesian University of Technology, Computer Centre) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS8508?

AS8508 is registered to Silesian University of Technology, Computer Centre. It announces about 160,000 IPv4 addresses.

How do I detect traffic from AS8508?

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.