Network · AS400939

AS400939 Cooperativa de Telecomunicaciones de Puerto Rico (CTPR COOP)

AS400939 (Cooperativa de Telecomunicaciones de Puerto Rico (CTPR COOP)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS400939

OwnerCooperativa de Telecomunicaciones de P
KindInternet service provider
Servers, not peopleno
IPv4 addresses256
IPv4 ranges1
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

38.252.75.0/24

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

Check an IP address →

Detect it in code

Spot AS400939 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 AS400939

Is AS400939 a datacenter or VPN network?

AS400939 (Cooperativa de Telecomunicaciones de Puerto Rico (CTPR COOP)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS400939?

AS400939 is registered to Cooperativa de Telecomunicaciones de Puerto Rico (CTPR COOP). It announces about 256 IPv4 addresses.

How do I detect traffic from AS400939?

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.