プロキシ出口IPのASNを確認：レジデンシャルプロキシのISPを検証する

import json
import urllib.request

USER = "USERNAME-country-us-state-il-city-chicago-asn-7922"  # Comcast in Chicago
PROXY = f"http://{USER}:[email protected]:7777"

via_proxy = urllib.request.build_opener(
    urllib.request.ProxyHandler({"http": PROXY, "https": PROXY}))
ip = via_proxy.open("https://api.ipify.org", timeout=30).read().decode().strip()

# RIPEstat is called directly, not through the proxy
url = ("https://stat.ripe.net/data/prefix-overview/data.json"
       f"?resource={ip}&sourceapp=asn-check")
data = json.load(urllib.request.urlopen(url, timeout=30))["data"]
asns = [(a["asn"], a["holder"]) for a in data.get("asns", [])]
print(ip, data.get("resource"), asns)
if 7922 not in [a for a, _ in asns]:
    print("Different ASN: rotate and keep this line for support")

import { ProxyAgent, fetch } from 'undici';

const user = 'USERNAME-country-us-state-ny-city-new_york-asn-701'; // Verizon Fios
const agent = new ProxyAgent({
  uri: 'http://gw.broadbandproxies.com:7777',
  token: 'Basic ' + Buffer.from(`${user}:PASSWORD`).toString('base64'),
});

const ip = (await (await fetch('https://api.ipify.org', { dispatcher: agent })).text()).trim();
const res = await fetch(`https://stat.ripe.net/data/prefix-overview/data.json?resource=${ip}&sourceapp=asn-check`);
const { data } = await res.json();
console.log(ip, data.resource, (data.asns || []).map((a) => `AS${a.asn} ${a.holder}`));

IP=$(curl -s -x http://gw.broadbandproxies.com:7777 \
  -U "USERNAME-country-us-state-tx-city-dallas-asn-11427:PASSWORD" https://api.ipify.org)
curl -s "https://stat.ripe.net/data/prefix-overview/data.json?resource=$IP&sourceapp=asn-check"