Welcome to SubnetCalculator.io, your go-to destination for accurate and user-friendly subnet calculations. We’re a small team of network enthusiasts, developers, and IT professionals passionate about simplifying complex networking concepts for everyone—from students and beginners to experienced system admins.
Our mission is simple: make subnetting easy, fast, and accessible to all.
Subnetting is a core concept in networking, but it can be confusing and time-consuming without the right tools. We built this online Subnet Calculator to help you save time, avoid manual errors, and understand your network structure more clearly.
Whether you're designing a home lab, studying for a certification like CCNA, or managing an enterprise network, our calculator provides the critical data you need:
We believe in building tools that bridge the gap between complexity and clarity. Our goal is to continue adding helpful networking utilities that empower users to learn, experiment, and work smarter.
Thank you for using SubnetCalculator.io – Making subnetting smarter, one calculation at a time.