Cit-scan is a scanner for Linux which scans for common services. Features randomized IP generation.
You can download it from the following link: https://packetstormsecurity.com/files/download/24468/cit-scan.2-0.tar.bz2
Source: https://packetstormsecurity.com/files/24468/cit-scan.2-0.tar.bz2.html