Network · AS272812

AS272812 FASTNET COMUNICACIONES ISP SAS

AS272812 (FASTNET COMUNICACIONES ISP SAS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS272812

OwnerFASTNET COMUNICACIONES ISP SAS
KindInternet service provider
Servers, not peopleno
IPv4 addresses256
IPv4 ranges1
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

138.117.41.0/24

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

Check an IP address →

Detect it in code

Spot AS272812 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 AS272812

Is AS272812 a datacenter or VPN network?

AS272812 (FASTNET COMUNICACIONES ISP SAS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS272812?

AS272812 is registered to FASTNET COMUNICACIONES ISP SAS. It announces about 256 IPv4 addresses.

How do I detect traffic from AS272812?

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.