About Subnetwork
Subnetwork is a full-feature IPv4 subnet calculator that allows you to effortlessly calculate single subnets, Fixed Length Subnet Masks (FLSM) and Variable Length Subnet Masks (VLSM) using whatever IPv4 address and...
Subnetwork is a full-feature IPv4 subnet calculator that allows you to effortlessly calculate single subnets, Fixed Length Subnet Masks (FLSM) and Variable Length Subnet Masks (VLSM) using whatever IPv4 address and Classless Inter-Domain Routing (CIDR) notation you choose. Subnetting may be complicated and tedious, but that doesn't mean your user experience needs to be. Designed exclusively for iOS, Subnetwork is a native and intuitive networking tool for students and IT professionals alike. Subnet Calculator - Calculate the subnet mask, wildcard, network ID, host range, broadcast addresses and more with an IPv4 address and dynamically adjustable CIDR prefix. Fixed Length Subnet Mask (FLSM) Calculator - Instantly generate between 2 and 1028 FLSM subnets to meet your network and host requirements. Variable Length Subnet Mask (VLSM) Calculator - Instantly generate VLSM subnets to meet your custom host requirements and maximize your available address space. Simple and Powerful - View minimal subnet details in decimal notation, or rotate your device for full binary calculations across all modes. View basic information at a glance in FLSM or VLSM, or dive into the details with just one touch. The choice is yours. Save Support - Name, store, and retrieve your subnets for later use across all three calculator modes.
Version History - Minor UI and UX updates. - FLSM and VLSM calculation optimizations. 1.1 04/04/2021 - Fixed an issue where adding a network requirement in VLSM could cause a crash. 1.0.2 03/20/2021 - Various bug fixes and improvements. 1.0.1 10/11/2020 1.0 07/18/2020
Previous Versions
Here you can find the changelog of Subnetwork since it was posted on our website on 2025-05-02 16:03:16.
The latest version is 1.1 and it was updated on 2026-06-10 14:21:17. See below the changes in each version.
Subnetwork version 1.1
Updated At: 2026-06-10
Changes: Version History - Minor UI and UX updates.
- FLSM and VLSM calculation optimizations. 1.1 04/04/2021 - Fixed an issue where adding a network requirement in VLSM could cause a crash. 1.0.2 03/20/2021 - Various bug fixes and improvements. 1.0.1 10/11/2020 1.0 07/18/2020
Subnetwork version 1.1
Updated At: 2021-04-04
Changes: - Minor UI and UX updates.
- FLSM and VLSM calculation optimizations.
Subnetwork version 1.1
Updated At: 2021-04-04
Changes: Apr 4, 2021
Version 1.1
- Minor UI and UX updates.
- FLSM and VLSM calculation optimizations.
Disclaimer
Official App Store Link
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