MASK
Runs locally in your browser

Subnet Calculator

Inspect IPv4 subnet masks, wildcards, and usable ranges.

About this Subnet Calculator tool

Subnet Calculator processes your input locally in this browser. Nothing entered into this tool is sent to Duck Cloud servers.

How to use it

  1. 1Paste or type your input in the tool.
  2. 2Select the action button or use the displayed keyboard shortcut.
  3. 3Review the result, then copy it or clear the tool.

Example

Use the sample already provided in Subnet Calculator, or replace it with your own input.

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