Network · AS266814

AS266814 Masternet Telecomunicaciones

AS266814 (Masternet Telecomunicaciones) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS266814

OwnerMasternet Telecomunicaciones
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,792
IPv4 ranges3
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

45.237.44.0/22
45.234.84.0/23
45.234.86.0/24

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

Check an IP address →

Detect it in code

Spot AS266814 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 AS266814

Is AS266814 a datacenter or VPN network?

AS266814 (Masternet Telecomunicaciones) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS266814?

AS266814 is registered to Masternet Telecomunicaciones. It announces about 1,792 IPv4 addresses.

How do I detect traffic from AS266814?

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.