Network · AS15798

AS15798 University of Warmia and Mazury in Olsztyn, Poland

AS15798 (University of Warmia and Mazury in Olsztyn, Poland) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS15798

  • OwnerUniversity of Warmia and Mazury in Ols
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses13,056
  • IPv4 ranges9
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 213.184.0.0/20
  • 213.73.0.0/21
  • 213.184.16.0/21
  • 5.172.184.0/22
  • 213.73.24.0/22
  • 213.73.20.0/22
  • 213.184.24.0/22
  • 213.73.28.0/23
  • 213.73.30.0/24

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

Check an IP address →

Detect it in code

Spot AS15798 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 AS15798

Is AS15798 a datacenter or VPN network?

AS15798 (University of Warmia and Mazury in Olsztyn, Poland) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS15798?

AS15798 is registered to University of Warmia and Mazury in Olsztyn, Poland. It announces about 13,056 IPv4 addresses.

How do I detect traffic from AS15798?

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.