Network · AS203522

AS203522 Faculty of Computer Science and Engineering - Ss. Cyril and Methodius Universit

AS203522 (Faculty of Computer Science and Engineering - Ss. Cyril and Methodius Universit) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS203522

  • OwnerFaculty of Computer Science and Engine
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses256
  • IPv4 ranges1
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 194.149.139.0/24

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

Check an IP address →

Detect it in code

Spot AS203522 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 AS203522

Is AS203522 a datacenter or VPN network?

AS203522 (Faculty of Computer Science and Engineering - Ss. Cyril and Methodius Universit) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS203522?

AS203522 is registered to Faculty of Computer Science and Engineering - Ss. Cyril and Methodius Universit. It announces about 256 IPv4 addresses.

How do I detect traffic from AS203522?

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.