IP & Subnet Tools
Subnet Splitter
Split a CIDR block into N equal subnets.
📖 New to this? Read What Is CIDR Notation?.
❓ Frequently Asked Questions
What is the Subnet Splitter used for?
Split a network into a number of equal-sized subnets.
Is the Subnet Splitter free and private?
Yes — it's completely free and runs entirely in your browser. Whatever you enter stays on your device and is never uploaded to any server.
Do I need to install anything to use the Subnet Splitter?
No. It works in any modern web browser on desktop, tablet, or phone — no downloads, no browser extensions, and no account required.