ISP 广告验证代理：以 Comcast、Spectrum 或 AT&T 家庭身份检查广告

# Confirm the exit network of a sticky session before one ad check.
# Then open the page once in a clean browser profile with the SAME username.
from datetime import datetime, timezone

import requests

GATEWAY = "gw.broadbandproxies.com"
PORT = 7777
USERNAME = "USERNAME-country-us-state-tx-city-houston-asn-7922-session-ad1-ttl-10"
PASSWORD = "PASSWORD"
EXPECTED_ASN = 7922  # Comcast

proxy = "http://" + USERNAME + ":" + PASSWORD + "@" + GATEWAY + ":" + str(PORT)
proxies = {"http": proxy, "https": proxy}

# 1. Exit IP, seen through the proxy (a few hundred bytes of traffic)
ip = requests.get("https://api.ipify.org?format=json", proxies=proxies, timeout=30).json()["ip"]

# 2. Origin network of that IP, asked directly from your machine (no proxy traffic)
ripe = requests.get(
    "https://stat.ripe.net/data/prefix-overview/data.json",
    params={"resource": ip, "sourceapp": "isp-ad-check"},
    timeout=30,
).json()
origins = [entry["asn"] for entry in ripe["data"].get("asns", [])]

stamp = datetime.now(timezone.utc).isoformat(timespec="seconds")
if EXPECTED_ASN in origins:
    print(stamp, ip, "AS" + str(EXPECTED_ASN), "OK: load the page once, save a screenshot")
else:
    print(stamp, ip, origins, "Not the expected network: skip this check")