Network · AS30731

AS30731 Uslugi Informatyczne Wieslaw Mazur

AS30731 (Uslugi Informatyczne Wieslaw Mazur) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS30731

OwnerUslugi Informatyczne Wieslaw Mazur
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,792
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

195.22.96.0/22
195.254.138.0/23
91.236.130.0/24

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

Check an IP address →

Detect it in code

Spot AS30731 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 AS30731

Is AS30731 a datacenter or VPN network?

AS30731 (Uslugi Informatyczne Wieslaw Mazur) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS30731?

AS30731 is registered to Uslugi Informatyczne Wieslaw Mazur. It announces about 1,792 IPv4 addresses.

How do I detect traffic from AS30731?

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.