This is a strange and altogether frustrating occurence here at my work. On occasion, our DHCP server will assign random systems an invalid subnet mask, in this case 255.0.0.0. As well, the IP it ...
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 ...
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