Flex Subnetting - Subnet Calculator

Name: Flex Subnetting - Subnet Calculator
Rating: 5 (1 reviews)
Author: Eddy Kwok

IPv4 VLSM Subnet Calculator

As of June 2026, Flex Subnetting - Subnet Calculator has 251 users and a 5.00/5 rating from 1 reviews in the Developer Tools category.

Eddy Kwok Developer Tools★ Featured

Chrome Web Store ↗.crx

Users+15.7%

251

Rating0%

5.00

1 reviews

Reviews0%

Version

1.3.3

Manifest V3

History

3 snapshots

Tracking since Apr 22, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 22, 2026	217	5.00	1	1.3.3
May 12, 2026	213	5.00	1	1.3.3
Jun 7, 2026	237	5.00	1	1.3.3
Now	251	5.00	1	1.3.3

Permissions & access

Permissions: storageidentity
Host access: https://www.googleapis.com/

Screenshots

Flex Subnetting - Subnet Calculator screenshot 1

Flex Subnetting - Subnet Calculator screenshot 2

Flex Subnetting - Subnet Calculator screenshot 3

Flex Subnetting - Subnet Calculator screenshot 4

Flex Subnetting - Subnet Calculator screenshot 5

Flex Subnetting - Subnet Calculator screenshot 6

About

Calculate, plan and manage complex subnets like a Pro.
A must have tool for Cloud Solution Architects and Network Engineers.

Features:
- Support Classless Addressing (VLSM)
- Automatic tagging ( Public/Private, etc )
- Customisable theme
- Export to CSV
- Save and Load Projects
- Split and Merge Preview

To support this project, please consider to buy me a cup of coffee 
https://www.buymeacoffee.com/eddykwok

Disclaimer:
While we have made every attempt to ensure the application to work correctly,  Flex Subnetting Author/Developer is not responsible for any errors or omissions, or for the results obtained from the use of this product. All information is provided "as is", with no guarantee of completeness, accuracy, timeliness or of the results obtained from the use of this information, and without warranty of any kind, express or implied, including but not limited to warranties of performance, merchantability and fitness for a particular purpose. In no event will Flex Subnetting Author/Developer, company or employees thereof be liable to you or anyone else for any decision made or action taken in reliance on the information provided by this application.