Network · AS278

AS278 Universidad Nacional Autonoma de Mexico

AS278 (Universidad Nacional Autonoma de Mexico) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS278

  • OwnerUniversidad Nacional Autonoma de Mexic
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses129,536
  • IPv4 ranges8
  • IPv6 ranges9
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 132.248.0.0/16
  • 132.247.0.0/17
  • 132.247.128.0/18
  • 132.247.192.0/19
  • 132.247.224.0/20
  • 132.247.240.0/21
  • 192.100.200.0/24
  • 192.100.199.0/24

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

Check an IP address →

Detect it in code

Spot AS278 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 AS278

Is AS278 a datacenter or VPN network?

AS278 (Universidad Nacional Autonoma de Mexico) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS278?

AS278 is registered to Universidad Nacional Autonoma de Mexico. It announces about 129,536 IPv4 addresses.

How do I detect traffic from AS278?

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.