Network · AS15457

AS15457 NOS Madeira Comunicacoes, S.A.

AS15457 (NOS Madeira Comunicacoes, S.A.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS15457

OwnerNOS Madeira Comunicacoes, S.A.
KindInternet service provider
Servers, not peopleno
IPv4 addresses69,632
IPv4 ranges8
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

89.109.64.0/18
95.172.160.0/19
84.23.192.0/19
83.223.160.0/19
213.190.192.0/19
213.138.224.0/19
188.125.192.0/19
159.255.48.0/20

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

Check an IP address →

Detect it in code

Spot AS15457 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 AS15457

Is AS15457 a datacenter or VPN network?

AS15457 (NOS Madeira Comunicacoes, S.A.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS15457?

AS15457 is registered to NOS Madeira Comunicacoes, S.A.. It announces about 69,632 IPv4 addresses.

How do I detect traffic from AS15457?

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.