Network · AS42580

AS42580 NOS ACORES COMUNICACOES, S.A.

AS42580 (NOS ACORES COMUNICACOES, S.A.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS42580

OwnerNOS ACORES COMUNICACOES, S.A.
KindInternet service provider
Servers, not peopleno
IPv4 addresses26,624
IPv4 ranges3
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

78.29.128.0/18
128.65.224.0/19
81.20.240.0/21

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

Check an IP address →

Detect it in code

Spot AS42580 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 AS42580

Is AS42580 a datacenter or VPN network?

AS42580 (NOS ACORES COMUNICACOES, S.A.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS42580?

AS42580 is registered to NOS ACORES COMUNICACOES, S.A.. It announces about 26,624 IPv4 addresses.

How do I detect traffic from AS42580?

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.