CIDR Calculator

Calculate IP ranges from CIDR notation

Try Online •
Usage •
API •
License

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Online Tool

Try CIDR Calculator online at DevTools.at →

Use this tool directly in your browser - no installation required:
- No registration needed
- Works instantly in your browser
- Your data never leaves your device (100% client-side)
- Available in 20+ languages
- Free forever

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What is CIDR Calculator?

Calculate IP ranges from CIDR notation. This is a standalone TypeScript/JavaScript implementation that you can use in your own projects.

Features

- Zero Dependencies - Lightweight with no external dependencies
- TypeScript Support - Full type definitions included
- Browser & Node.js - Works in both environments
- UTF-8 Support - Handles international characters correctly

Usage

``typescript
import { process } from '@devtools-at/cidr-calculator';

// Process your data
const result = process(inputData);
console.log(result);
`

API Reference

$3

The source code in src/index.ts` contains the core implementation. You can copy and use these functions directly in your project.

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Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

License

MIT License - see the LICENSE file for details.

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