Network · AS272121

AS272121 MONTAÑO VELEZ MARIA TERESA (VISIONNET)

AS272121 (MONTAÑO VELEZ MARIA TERESA (VISIONNET)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS272121

  • OwnerMONTAÑO VELEZ MARIA TERESA (VISIONNET)
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses256
  • IPv4 ranges1
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 45.71.252.0/24

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

Check an IP address →

Detect it in code

Spot AS272121 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 AS272121

Is AS272121 a datacenter or VPN network?

AS272121 (MONTAÑO VELEZ MARIA TERESA (VISIONNET)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS272121?

AS272121 is registered to MONTAÑO VELEZ MARIA TERESA (VISIONNET). It announces about 256 IPv4 addresses.

How do I detect traffic from AS272121?

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.