Network · AS37517

AS37517 CABO VERDE TELECOM, S.A

AS37517 (CABO VERDE TELECOM, S.A) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS37517

OwnerCABO VERDE TELECOM, S.A
KindInternet service provider
Servers, not peopleno
IPv4 addresses47,104
IPv4 ranges18
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

165.90.96.0/19
41.74.128.0/20
41.221.192.0/20
41.215.208.0/20
38.44.64.0/20
197.255.128.0/20
156.252.136.0/21
156.238.40.0/21
156.233.144.0/21
156.232.56.0/21
154.203.64.0/21
154.203.232.0/21

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

Check an IP address →

Detect it in code

Spot AS37517 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 AS37517

Is AS37517 a datacenter or VPN network?

AS37517 (CABO VERDE TELECOM, S.A) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS37517?

AS37517 is registered to CABO VERDE TELECOM, S.A. It announces about 47,104 IPv4 addresses.

How do I detect traffic from AS37517?

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.