Network · AS28503

AS28503 GSAT COMUNICACIONES SA DE CV

AS28503 (GSAT COMUNICACIONES SA DE CV) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS28503

OwnerGSAT COMUNICACIONES SA DE CV
KindInternet service provider
Servers, not peopleno
IPv4 addresses5,632
IPv4 ranges7
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

201.139.192.0/21
201.139.208.0/22
201.139.200.0/22
201.139.214.0/23
201.139.206.0/23
201.139.212.0/24
201.139.204.0/24

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

Check an IP address →

Detect it in code

Spot AS28503 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 AS28503

Is AS28503 a datacenter or VPN network?

AS28503 (GSAT COMUNICACIONES SA DE CV) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS28503?

AS28503 is registered to GSAT COMUNICACIONES SA DE CV. It announces about 5,632 IPv4 addresses.

How do I detect traffic from AS28503?

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.