Subnet Calculator (Fast)

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Use this simple subnet calculator in order to obtain important information about the subnets you want to make:

- Subnet IP.

- Subnet Mask.

- First Host IP.

- Last Host IP.

This application allows the users to choose if they want to use the subnets "Subnet zero" and "Subnet All-ones" (subnets that were not recommended to use in the past, but most devices allow them now).

You can make up to 128 subnets in this application version (with its information shown on the screen).