Network · AS28399

AS28399 BTU Comunicacion SA de CV

AS28399 (BTU Comunicacion SA de CV) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS28399

OwnerBTU Comunicacion SA de CV
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,536
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

201.131.20.0/22
38.65.133.0/24
200.33.20.0/24

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

Check an IP address →

Detect it in code

Spot AS28399 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 AS28399

Is AS28399 a datacenter or VPN network?

AS28399 (BTU Comunicacion SA de CV) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS28399?

AS28399 is registered to BTU Comunicacion SA de CV. It announces about 1,536 IPv4 addresses.

How do I detect traffic from AS28399?

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.