Network · AS8890

AS8890 University of Warsaw

AS8890 (University of Warsaw) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS8890

OwnerUniversity of Warsaw
KindInternet service provider
Servers, not peopleno
IPv4 addresses20,480
IPv4 ranges2
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

193.0.64.0/18
212.87.0.0/20

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

Check an IP address →

Detect it in code

Spot AS8890 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 AS8890

Is AS8890 a datacenter or VPN network?

AS8890 (University of Warsaw) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS8890?

AS8890 is registered to University of Warsaw. It announces about 20,480 IPv4 addresses.

How do I detect traffic from AS8890?

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.