nmap 2.2-BETA3 – Nmap is a utility for network exploration or security auditing. It supports ping scanning (determine which hosts are up), many port scanning techniques (determine what services the hosts are offering), and TCP/IP fingerprinting (remote host operating system identification). Nmap also offers flexible target and port specification, decoy scanning, determination of TCP sequence predictability characteristics, reverse-identd scanning, and more.
You can download it from the following link: https://packetstormsecurity.com/files/download/14077/nmap-2.2-BETA3.tgz
Source: https://packetstormsecurity.com/files/14077/Nmap-Scanning-Utility-2.2-BETA-3.html