Overview
Calculate subnets, CIDR, and usable IP ranges.
A lightweight, offline-ready tool for network engineers and students. Instantly calculate network details for both IPv4 and IPv6 addresses. Key Features: IPv4 Support: Calculate CIDR, subnet masks, wildcard masks, usable host ranges, and broadcast addresses. IPv6 Support: Full support for 128-bit address space, including prefix lengths and compressed/expanded formats. Real-time Results: No "Calculate" button needed—results update as you type. Privacy Focused: Works entirely offline. No data collection, no tracking. Simplify your subnetting workflow with a clean, ad-free interface.
Details
- Version1.0
- UpdatedFebruary 4, 2026
- Offered bypkdiv
- Size414KiB
- LanguagesEnglish
- Developer
Email
developer@pkdiv.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
Manage extensions and learn how they're being used in your organization
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
