Network · AS266011

AS266011 FABLINUXER CONNECT TELECOMUNICAÇÕES

AS266011 (FABLINUXER CONNECT TELECOMUNICAÇÕES) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS266011

OwnerFABLINUXER CONNECT TELECOMUNICAÇÕES
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,024
IPv4 ranges1
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

181.191.128.0/22

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

Check an IP address →

Detect it in code

Spot AS266011 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 AS266011

Is AS266011 a datacenter or VPN network?

AS266011 (FABLINUXER CONNECT TELECOMUNICAÇÕES) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS266011?

AS266011 is registered to FABLINUXER CONNECT TELECOMUNICAÇÕES. It announces about 1,024 IPv4 addresses.

How do I detect traffic from AS266011?

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.