Network · AS42923

AS42923 PKP Polskie Linie Kolejowe S.A.

AS42923 (PKP Polskie Linie Kolejowe S.A.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS42923

OwnerPKP Polskie Linie Kolejowe S.A.
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,280
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

217.79.144.0/22
88.199.162.0/24

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

Check an IP address →

Detect it in code

Spot AS42923 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 AS42923

Is AS42923 a datacenter or VPN network?

AS42923 (PKP Polskie Linie Kolejowe S.A.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS42923?

AS42923 is registered to PKP Polskie Linie Kolejowe S.A.. It announces about 1,280 IPv4 addresses.

How do I detect traffic from AS42923?

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.