Rotação de proxies de data center

import requests

proxy = "http://USER:PASS@HOST:PORT"

response = requests.get(
    "https://api.ipify.org?format=json",
    proxies={"http": proxy, "https": proxy}
)

print(response.text)

const { request, ProxyAgent } = require("undici");

const proxy = "http://USER:PASS@HOST:PORT";
const agent = new ProxyAgent(proxy);

request("https://api.ipify.org?format=json", {
  dispatcher: agent
}).then(async res => {
  console.log(await res.body.text());
});

curl -x "http://USER:PASS@HOST:PORT" \
"https://api.ipify.org?format=json"

<?php

$ch = curl_init("https://api.ipify.org?format=json");

curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_PROXY, "HOST:PORT");
curl_setopt($ch, CURLOPT_PROXYUSERPWD, "USER:PASS");

echo curl_exec($ch);

curl_close($ch);