Type your subnet mask into cells B1 through B4, tying each byte into a separate cell. Continuing the example, type "255" into cell B1, "255" into B2, "255" into B3 and "224" into B4.

I have an Excel spreadsheet containing IP addresses and subnet masks. I need to derive the subnet of each IP address in the spreadsheet.Example: IP (column A): 10.1.230.84, Subnet Mask (column B ...

You can easily convert a subnet mask into a wildcard mask. A wildcard mask is simply all the 1s in a subnet mask (when in binary form) turned into 0s, and all the 0s turned into 1s. Here's an example: ...

Subnetting and creating subnet masks is often outsourced to consultants, but doing it yourself can be both challenging and rewarding. In the IT world, specifically in networking, there aren’t ...

The second part of a TCP/IP address that defines the subnetwork in which the device resides. The subnet ID number is shared with the host ID. See subnet mask and subnet mask tables. THIS ...