Network · AS266475

AS266475 SEM FRONTEIRAS TELECOMUNICACOES LTDA

AS266475 (SEM FRONTEIRAS TELECOMUNICACOES LTDA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS266475

OwnerSEM FRONTEIRAS TELECOMUNICACOES LTDA
KindInternet service provider
Servers, not peopleno
IPv4 addresses7,168
IPv4 ranges4
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

38.191.48.0/20
38.9.112.0/22
38.56.72.0/22
170.83.172.0/22

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

Check an IP address →

Detect it in code

Spot AS266475 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 AS266475

Is AS266475 a datacenter or VPN network?

AS266475 (SEM FRONTEIRAS TELECOMUNICACOES LTDA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS266475?

AS266475 is registered to SEM FRONTEIRAS TELECOMUNICACOES LTDA. It announces about 7,168 IPv4 addresses.

How do I detect traffic from AS266475?

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.