Network · AS52820

AS52820 Brasilfone Telecomunicação Ltda

AS52820 (Brasilfone Telecomunicação Ltda) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS52820

  • OwnerBrasilfone Telecomunicação Ltda
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses512
  • IPv4 ranges1
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 177.52.174.0/23

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

Check an IP address →

Detect it in code

Spot AS52820 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 AS52820

Is AS52820 a datacenter or VPN network?

AS52820 (Brasilfone Telecomunicação Ltda) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS52820?

AS52820 is registered to Brasilfone Telecomunicação Ltda. It announces about 512 IPv4 addresses.

How do I detect traffic from AS52820?

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.