IP Subnet Calculator & Practice

🌐 Live site: https://wattox00.github.io/ip

🚀 How to use the app

• Switch sections: Click the "Switch to IP Calculator" button to toggle between the Calculator and Practice sections.
• IP Calculator:
  • Enter an address in CIDR format, e.g. 192.168.100.1/24 in the input field and press Enter (or the UI will calculate automatically).
  • The results are shown in the output area and include network address, broadcast, usable hosts, etc.
• Practice area:
  • Click Generate to get a random IP to practice on.
  • Use the class toggles (Class A / B / C / Under) to restrict which class of IPs will be generated.
  • Fill in the fields for Network, Broadcast, First IP, and Last IP (both decimal and binary where requested).
  • Click Check Result to verify your answers.
• Footer: Click the grey footer box to hide/show it; the small arrow toggles visibility as well.

❤️ Support

If this project saved you time, taught you something, or made your day a little easier, you can support its development here:

👉 Buy me a coffee via PayPal

Your support helps keep the project:

• Actively maintained
• Continuously improved
• Free and open source

Thanks for being part of the community 🤝

📄 License

This project is licensed under the GNU General Public License v3.0.
See the LICENSE file for full details.