A utility to check a class B or Class C ip range for active computers, with an option to check for a special port, output to file.
You can download it from the following link: https://packetstormsecurity.com/files/download/14199/miffo-check-1.3.1.c
Source: https://packetstormsecurity.com/files/14199/miffo-check-1.3.1.c.html