Network · AS28255

AS28255 Wtl Telecomunicacoes do Brasil Ltda

AS28255 (Wtl Telecomunicacoes do Brasil Ltda) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS28255

OwnerWtl Telecomunicacoes do Brasil Ltda
KindInternet service provider
Servers, not peopleno
IPv4 addresses9,216
IPv4 ranges3
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

187.84.128.0/20
187.16.144.0/20
138.185.180.0/22

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

Check an IP address →

Detect it in code

Spot AS28255 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 AS28255

Is AS28255 a datacenter or VPN network?

AS28255 (Wtl Telecomunicacoes do Brasil Ltda) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS28255?

AS28255 is registered to Wtl Telecomunicacoes do Brasil Ltda. It announces about 9,216 IPv4 addresses.

How do I detect traffic from AS28255?

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.