Network · AS16091

AS16091 SISTEMAS AVANZADOS DE TECNOLOGIA SA

AS16091 (SISTEMAS AVANZADOS DE TECNOLOGIA SA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS16091

OwnerSISTEMAS AVANZADOS DE TECNOLOGIA SA
KindInternet service provider
Servers, not peopleno
IPv4 addresses8,192
IPv4 ranges1
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

213.164.32.0/19

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

Check an IP address →

Detect it in code

Spot AS16091 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 AS16091

Is AS16091 a datacenter or VPN network?

AS16091 (SISTEMAS AVANZADOS DE TECNOLOGIA SA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS16091?

AS16091 is registered to SISTEMAS AVANZADOS DE TECNOLOGIA SA. It announces about 8,192 IPv4 addresses.

How do I detect traffic from AS16091?

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.