IP & Subnet Tools
IP Class & Type Checker
Enter an IPv4 address to see its class, type, binary, and integer forms.
📖 New to this? Read Reserved and Special-Use IP Addresses.
❓ Frequently Asked Questions
What is the IP Class & Type Checker used for?
Identify the class (A/B/C/D/E) and type (public, private, reserved) of any IPv4 address.
Is the IP Class & Type Checker 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 IP Class & Type Checker?
No. It works in any modern web browser on desktop, tablet, or phone — no downloads, no browser extensions, and no account required.