Socks Proxy Checker is an IP proxy checking software. It can provide search HTTPS, Socks4, Socks5 these three protocols. And can detect a variety of parameters such as speed, version, country, region, city, SMTP, and UDP. It is convenient and easy to use, just put the IP you want to detect in a row with the formula [IP: port number], put it into a text file, and copy it into the software.