需要 Python 3.4+，一个参数用来选择测试搜索服务还是 GAE 服务。测试 GAE 服务的话需要先修改开头的两个变量。从标准输入读取 IP 地址或者 IP 段（形如 192.168.0.0/16）列表，每行一个。可用 IP 输出到标准输出。实时测试结果输出到标准错误。50 线程并发。

checkgoogleip

#!/usr/bin/env python3 import sys from ipaddress import IPv4Network import http.client as client from concurrent.futures import ThreadPoolExecutor import argparse import ssl import socket # 先按自己的情况修改以下几行 APP_ID = 'your_id_here' APP_PATH = '/fetch.py' context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) context.verify_mode = ssl.CERT_REQUIRED context.load_verify_locations('/etc/ssl/certs/ca-certificates.crt') class HTTPSConnection(client.HTTPSConnection): def __init__(self, *args, hostname=None, **kwargs): self._hostname = hostname super().__init__(*args, **kwargs) def connect(self): super(client.HTTPSConnection, self).connect() if self._tunnel_host: server_hostname = self._tunnel_host else: server_hostname = self._hostname or self.host sni_hostname = server_hostname if ssl.HAS_SNI else None self.sock = self._context.wrap_socket(self.sock, server_hostname=sni_hostname) if not self._context.check_hostname and self._check_hostname: try: ssl.match_hostname(self.sock.getpeercert(), server_hostname) except Exception: self.sock.shutdown(socket.SHUT_RDWR) self.sock.close() raise def check_ip_p(ip, func): if func(ip): print(ip, flush=True) def check_for_gae(ip): return _check(APP_ID + '.appspot.com', APP_PATH, ip) def check_for_search(ip): return _check('www.google.com', '/', ip) def _check(host, path, ip): for chance in range(1,-1,-1): try: conn = HTTPSConnection( ip, timeout = 5, context = context, hostname = host, ) conn.request('GET', path, headers = { 'Host': host, }) response = conn.getresponse() if response.status < 400: print('GOOD:', ip, file=sys.stderr) else: raise Exception('HTTP Error %s %s' % ( response.status, response.reason)) return True except KeyboardInterrupt: raise except Exception as e: if isinstance(e, ssl.CertificateError): print('WARN: %s is not Google's!' % ip, file=sys.stderr) chance = 0 if chance == 0: print('BAD :', ip, e, file=sys.stderr) return False else: print('RE :', ip, e, file=sys.stderr) def main(): parser = argparse.ArgumentParser(description='Check Google IPs') parser.add_argument('service', choices=['search', 'gae'], help='service to check') args = parser.parse_args() func = globals()['check_for_' + args.service] count = 0 with ThreadPoolExecutor(max_workers=50) as executor: for l in sys.stdin: l = l.strip() if '/' in l: for ip in IPv4Network(l).hosts(): executor.submit(check_ip_p, str(ip), func) count += 1 else: executor.submit(check_ip_p, l, func) count += 1 print('%d IP checked.' % count) if __name__ == '__main__': main()