About Subnet Suite

Subnet Suite is a free and open subnetting toolkit designed for networking students, professionals, and anyone learning IP addressing. Whether you're preparing for your CCNA or just need a quick reference, this tool simplifies everything from VLSM calculations to visualizing your network.

What’s Included

• VLSM Calculator – Plan and split networks by required host counts
• IPv6 Calculator – Convert, expand, and subnet IPv6 addresses
• Supernetting Tool – Aggregate CIDR blocks into summaries
• Interactive Visualizer – Drag-and-drop devices and auto-assign IPs to simulate topologies
• Binary Calculations – Convert binary, hex, and decimal numbers as well as do some binary additions and subtractions

Who Built This?

This project was built by Connor Horning, a graduating Computer and Network Systems Administration student. It was created as both a personal learning tool and a helpful resource for fellow students.

Tech Stack

• ASP.NET Core with Razor Pages
• HTML5, CSS3, JavaScript
• Custom JS logic for VLSM + Visualizer

Support the Project

If you found this tool helpful and want to support future development, feel free to buy me a coffee ☕: