: The older, 32-bit addressing system. While IPv6 is growing, IPv4 remains the standard for most legacy scraping tools.
For security researchers, seeing such a file name usually signals a potential or a large-scale scanning event targeting German infrastructure. 2K HTTP IPV4 GERMANY.txt
: The protocol used. Unlike SOCKS5, HTTP proxies are mostly used for web browsing and are easier to detect but very common. : The older, 32-bit addressing system