IP Subnet Calculator

A static web tool for calculating IPv4 and IPv6 subnet values. Built with React and Bootstrap.

Features

• IPv4 Calculator: Network class, subnet mask (CIDR), IP address input
• IPv6 Calculator: Prefix length, IPv6 address input with :: shorthand support
• Subnet details: network address, host range, broadcast, total hosts, and more
• Links to RIPE, ASRank, RADAR, and PeeringDB for further lookup

Tech Stack

• React 18
• React Bootstrap
• Vite

Getting Started

Prerequisites

• Node.js 18+

Install

npm install

Development

npm run dev

Open http://localhost:5173 in your browser.

Build

npm run build

Output is in the dist folder.

Preview Production Build

npm run preview

Project Structure

ip-calculator/
├── src/
│   ├── App.jsx          # Main app with IPv4/IPv6 tabs
│   ├── App.css          # Custom styles
│   ├── main.jsx         # Entry point
│   └── utils/
│       ├── ipv4.js      # IPv4 calculation logic
│       └── ipv6.js      # IPv6 calculation logic
├── index.html
├── package.json
└── vite.config.js

License

MIT