https://openproxy.space/list/socks4
https://raw.githubusercontent.com/TheSpeedX/PROXY-List/master/socks4.txt
https://raw.githubusercontent.com/monosans/proxy-list/main/proxies/socks4.txt
https://raw.githubusercontent.com/jetkai/proxy-list/main/online-proxies/txt/proxies-socks4.txt
https://www.socks-proxy.net/