Network · AS28391

AS28391 Universidad Juarez Autonoma de Tabasco

AS28391 (Universidad Juarez Autonoma de Tabasco) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS28391

  • OwnerUniversidad Juarez Autonoma de Tabasco
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses41,216
  • IPv4 ranges72
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 148.236.96.0/21
  • 148.236.8.0/21
  • 148.236.56.0/21
  • 148.236.92.0/22
  • 148.236.80.0/22
  • 148.236.72.0/22
  • 148.236.52.0/22
  • 148.236.4.0/22
  • 148.236.32.0/22
  • 148.236.24.0/22
  • 148.236.216.0/22
  • 148.236.212.0/22

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

Check an IP address →

Detect it in code

Spot AS28391 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 AS28391

Is AS28391 a datacenter or VPN network?

AS28391 (Universidad Juarez Autonoma de Tabasco) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS28391?

AS28391 is registered to Universidad Juarez Autonoma de Tabasco. It announces about 41,216 IPv4 addresses.

How do I detect traffic from AS28391?

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.