Zalwora

Subnet Calculator

How to use this tool:

  1. Enter an IP address and select a subnet mask or CIDR notation
  2. Click "Calculate" to see the network details
  3. Use the "Copy" buttons to copy specific values

Examples: 192.168.1.0/24, 10.0.0.0 255.255.0.0, 172.16.5.0/28

About This Tool

This subnet calculator helps network engineers:

All calculations happen in your browser - no data is sent to servers.

Disclaimer: These tools are provided as-is without warranty. Always verify configurations before deploying to production environments.