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IP Subnet Calculator

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Overview

Fast IP Subnet Calculator - Calculates network, broadcast, host range, mask and more. Works for IPv4.

Enter the IP address and mask in CIDR (/24) or decimal (255.255.255.0) format, and that's it! You'll get information back about the network address, wildcard mask, broadcast, first and last host, and the number of usable IP addresses. It even understands the /31 mask. This will shorten your IP address counting pain. Good luck, Network Admin !

Details

  • Version
    1.1
  • Updated
    November 14, 2025
  • Offered by
    Michał Sibilski
  • Size
    21.34KiB
  • Languages
    English
  • Developer
    Email
    msibilski18@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

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