ftpcheck scans hosts and networks for FTP and anonymous FTP archives. ftpcheck is very fast: it can effectively scan a class C network for anonymous FTP sites in less than 5 seconds. Requires perl, libnet, MD5, MIME-Base64, HTML Parser, libwww.
You can download it from the following link: https://packetstormsecurity.com/files/download/14148/ftpcheck-0.3.pl
Source: https://packetstormsecurity.com/files/14148/ftpcheck-0.3.pl.html