Enter the IP address and subnet mask and the tool will provide the class, network address, broadcast address and the number of available IP addresses in the network. It will also provide a binary conversion for both the IP address and the subnet mask.
Also, below each octet is a binary representation of the number. You can click each of the eight binary digits to change the octet number. You can use this portion of the tool to convert a binary number to a decimal number.
* don't forget the "Total avail. IP" number includes the network address and the broadcast address, so the available IP addresses for use on devices is the number shown minus 2
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