FREE NETWORKING TOOL

CIDR & Subnet Calculator

Calculate IPv4 networks, broadcast addresses, subnet masks, usable IP ranges and host counts. Everything runs locally in your browser.

NETWORKING

CIDR & Subnet Calculator

Calculate network, broadcast, usable range, mask and host count.

How to use this tool

  1. Enter the required input above.
  2. Select the calculation or conversion action.
  3. Review and copy the result.

Private processing

Your input stays inside your browser and is not submitted to CYBERPODIUM.