CIDR Display - VSCode Extension

A Visual Studio Code extension that provides detailed information about CIDR notation when hovering over IP addresses with subnet masks. It also displays the number of available IP addresses inline.

Features

• Displays detailed IP range information on hover:
  • Host address
  • Total number of addresses in the network
  • Network range (first to last address)
  • Usable range (excluding network and broadcast addresses)
• Shows the number of available addresses inline after each CIDR notation
• Supports all file types

Installation

You can install this extension through the Visual Studio Code Marketplace:

1. Open VS Code
2. Press Ctrl+P / Cmd+P
3. Type ext install daylight55.vscode-cidr-display

Or install it from the Visual Studio Code Marketplace website.

Usage

1. Open any file containing CIDR notation
2. Hover over a CIDR notation (e.g., "192.168.0.0/24")
3. View the detailed information in the hover tooltip
4. See the number of available addresses displayed inline after the CIDR notation

Examples

• Private network ranges:
  • 10.0.0.0/8 (Large network)
  • 172.16.0.0/12 (Medium network)
  • 192.168.0.0/24 (Small network)
• Subnet examples:
  • 192.168.1.0/28 (16 addresses)
  • 10.0.0.0/16 (65,536 addresses)

Requirements

• Visual Studio Code version 1.86.0 or higher

Extension Settings

This extension does not add any VS Code settings.

Known Issues

See the GitHub issues page.

Contributing

Contributions are welcome! Please check our Contributing Guidelines.

1. Fork the repository
2. Create your feature branch
3. Commit your changes
4. Push to the branch
5. Create a Pull Request

Development

1. Clone the repository
2. Run npm install
3. Open in VS Code
4. Press F5 to start debugging

License

This project is licensed under the MIT License - see the LICENSE file for details.

Release Notes

See Releases for detailed release notes.