IP Address Validator — IPv4, IPv6 & Subnet Calculator

Validate IPv4 and IPv6 addresses. Check if an IP is public/private/loopback, calculate subnet masks, CIDR notation, network address, broadcast address, and host count.

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How to Use IP Address Validator

  1. 1Enter the required values in the input fields above.
  2. 2Click the Calculate button or results update instantly as you type.
  3. 3View your results in the output panel below the inputs.
  4. 4Adjust any values to recalculate instantly.