Network · AS28209

AS28209 Under Servicos de Internet Ltda

AS28209 (Under Servicos de Internet Ltda) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS28209

OwnerUnder Servicos de Internet Ltda
KindInternet service provider
Servers, not peopleno
IPv4 addresses20,480
IPv4 ranges3
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

179.127.0.0/19
177.70.0.0/19
189.113.0.0/20

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

Check an IP address →

Detect it in code

Spot AS28209 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 AS28209

Is AS28209 a datacenter or VPN network?

AS28209 (Under Servicos de Internet Ltda) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS28209?

AS28209 is registered to Under Servicos de Internet Ltda. It announces about 20,480 IPv4 addresses.

How do I detect traffic from AS28209?

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.