I know this has been covered, in general, before but I couldn't find a solution to my particular query, and I hope this can turn into a general resource thread as well.<BR><BR>Anyway, I'm currently ...
I have an Excel spreadsheet containing IP addresses and subnet masks. I need to derive the subnet of each IP address in the spreadsheet.<BR><BR>Example: IP (column A): 10.1.230.84, Subnet Mask (column ...