Network · AS51944

AS51944 DARIUSZ WESOLOWSKI trading as PROMEDIA NOWICKI WESOLOWSKI Sp.J.

AS51944 (DARIUSZ WESOLOWSKI trading as PROMEDIA NOWICKI WESOLOWSKI Sp.J.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS51944

OwnerDARIUSZ WESOLOWSKI trading as PROMEDIA
KindInternet service provider
Servers, not peopleno
IPv4 addresses4,608
IPv4 ranges9
IPv6 ranges20

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

91.227.104.0/22
193.151.48.0/22
185.123.48.0/22
91.227.103.0/24
45.150.151.0/24
193.218.7.0/24
193.203.224.0/24
193.203.22.0/24
185.235.34.0/24

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

Check an IP address →

Detect it in code

Spot AS51944 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 AS51944

Is AS51944 a datacenter or VPN network?

AS51944 (DARIUSZ WESOLOWSKI trading as PROMEDIA NOWICKI WESOLOWSKI Sp.J.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS51944?

AS51944 is registered to DARIUSZ WESOLOWSKI trading as PROMEDIA NOWICKI WESOLOWSKI Sp.J.. It announces about 4,608 IPv4 addresses.

How do I detect traffic from AS51944?

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.