ProXYZ is a utility used to search for and verify proxy servers.The proxies found with ProXYZ program can then be used for anonymous web surfing, or testing purposes by Internet companies, or in conjuction with other Internet utilities. Searching for proxy servers with the ProXYZ utility can be done in two modes: IP range scanning and Web Search. Fast and reliable searches through a range of IP addresses in two steps: ping for the fastest check..