CIDR Calculator

Calculate IP ranges and subnets from CIDR.

Esta ferramenta roda no navegador. Nomes e passos estão localizados; a interface interativa é a mesma em todos os idiomas.

How to Use

  1. Enter the CIDR notation (e.g., 192.168.1.0/24).
  2. The tool will instantly calculate the IP range and subnet mask.
  3. View the results in a detailed report.

Key Features

  • Fast and accurate CIDR calculation
  • Supports both IPv4 and IPv6
  • Easy to use interface
  • Completely free and private

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