API & Network
IPv4 Subnet Calculator
Calculate network, broadcast, masks and usable address ranges.
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Output
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Your result will appear here
Add an input and run the tool to get started.How to use IPv4 Subnet Calculator
Paste your input or load the example, choose the relevant options, then select Run tool. Errors appear below the editors. Copy or download the result when ready.
Keyboard shortcuts: Ctrl/⌘ + Enter to run, Ctrl/⌘ + K to find another tool.