Network · AS275804

AS275804 TOPENET SERVICOS DE TELECOMUNICACAO LTDA

AS275804 (TOPENET SERVICOS DE TELECOMUNICACAO LTDA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS275804

OwnerTOPENET SERVICOS DE TELECOMUNICACAO LT
KindInternet service provider
Servers, not peopleno
IPv4 addresses256
IPv4 ranges1
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

38.236.85.0/24

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

Check an IP address →

Detect it in code

Spot AS275804 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 AS275804

Is AS275804 a datacenter or VPN network?

AS275804 (TOPENET SERVICOS DE TELECOMUNICACAO LTDA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS275804?

AS275804 is registered to TOPENET SERVICOS DE TELECOMUNICACAO LTDA. It announces about 256 IPv4 addresses.

How do I detect traffic from AS275804?

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.