Network · AS53223

AS53223 Master Net Telecom LTDA

AS53223 (Master Net Telecom LTDA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS53223

OwnerMaster Net Telecom LTDA
KindInternet service provider
Servers, not peopleno
IPv4 addresses4,096
IPv4 ranges3
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

186.251.80.0/21
177.67.148.0/22
132.255.140.0/22

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

Check an IP address →

Detect it in code

Spot AS53223 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 AS53223

Is AS53223 a datacenter or VPN network?

AS53223 (Master Net Telecom LTDA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS53223?

AS53223 is registered to Master Net Telecom LTDA. It announces about 4,096 IPv4 addresses.

How do I detect traffic from AS53223?

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.