Network · AS28668

AS28668 Desktop Sigmanet Comunicação Multimídia SA

AS28668 (Desktop Sigmanet Comunicação Multimídia SA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS28668

OwnerDesktop Sigmanet Comunicação Multimídi
KindInternet service provider
Servers, not peopleno
IPv4 addresses34,816
IPv4 ranges8
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

189.91.224.0/19
187.109.128.0/19
189.50.96.0/20
189.1.144.0/20
187.85.32.0/20
179.108.0.0/20
170.80.148.0/22
170.0.20.0/22

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

Check an IP address →

Detect it in code

Spot AS28668 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 AS28668

Is AS28668 a datacenter or VPN network?

AS28668 (Desktop Sigmanet Comunicação Multimídia SA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS28668?

AS28668 is registered to Desktop Sigmanet Comunicação Multimídia SA. It announces about 34,816 IPv4 addresses.

How do I detect traffic from AS28668?

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.