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You have downloaded a list of 10,000 IPs from a sketchy website. Now what? You cannot trust them blindly. You must validate them. Reflect4 Proxy List Free
Free proxies have limited bandwidth. Sending 1,000 requests per second will crash the proxy server and expose your real IP due to TCP timeouts. Add time.sleep(random.uniform(1, 3)) between requests. A reliable source for quick lists that are
: For developers, Microsoft's Proxy 4 library includes a proxy_reflect function template used to acquire reflection information from contained types in software development. 3)) between requests. : For developers
: Use rotating IP pools to gather data from websites without being flagged or blocked for multiple requests from the same IP.