IP Subnet Calculator
ExtensionTools26 users
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 !
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Details
- Version1.1
- UpdatedNovember 14, 2025
- Offered byMichał Sibilski
- Size21.34KiB
- LanguagesEnglish
- Developer
Email
msibilski18@gmail.com - Non-traderThis 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
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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