Network · AS51310

AS51310 Marcin Moczulski trading as Matronix

AS51310 (Marcin Moczulski trading as Matronix) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS51310

  • OwnerMarcin Moczulski trading as Matronix
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses4,352
  • IPv4 ranges7
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 88.135.176.0/22
  • 45.135.216.0/22
  • 91.224.184.0/23
  • 91.221.44.0/23
  • 193.239.144.0/23
  • 176.122.244.0/23
  • 194.31.252.0/24

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

Check an IP address →

Detect it in code

Spot AS51310 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 AS51310

Is AS51310 a datacenter or VPN network?

AS51310 (Marcin Moczulski trading as Matronix) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS51310?

AS51310 is registered to Marcin Moczulski trading as Matronix. It announces about 4,352 IPv4 addresses.

How do I detect traffic from AS51310?

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.