245690 Port Scanner Script

Hello Everyone, We are looking for someone who can develop port scanner for us. This can be desktop or web application (I will need your help to decide :) ). What this port scanner will do? 1. Scan Port or Ports on Specific Range of IP's or Subnet 2. Send or Display report of IP's running that service actively 3. Retrieve Details of service (like mysql version). I need quality job in quick time. I would appreciate if you can quote me with estimated number of man hour or days. Thanking you, David