Network · AS8256

AS8256 Lodz University of Technology

AS8256 (Lodz University of Technology) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS8256

OwnerLodz University of Technology
KindInternet service provider
Servers, not peopleno
IPv4 addresses39,680
IPv4 ranges6
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

212.191.0.0/17
212.51.208.0/20
212.51.192.0/21
212.51.207.0/24
212.51.204.0/24
192.153.127.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-21.

Check an IP address →

Detect it in code

Spot AS8256 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 AS8256

Is AS8256 a datacenter or VPN network?

AS8256 (Lodz University of Technology) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS8256?

AS8256 is registered to Lodz University of Technology. It announces about 39,680 IPv4 addresses.

How do I detect traffic from AS8256?

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.