Free IP Subnet Calculator
Looking for a free solution? You are in the right place. Calculate network range, broadcast address, and usable hosts from IP/CIDR.
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IP Subnet Calculator
Calculate CIDR and Subnet Masks
Try Examples
How It Works
- Enter IP with CIDR (e.g. 192.168.1.1/24)
- Click Process
- Get Network Details
Use Cases
- Network setup
- Firewall configuration
- Cloud security
Frequently Asked Questions
IPv6?
Supports both IPv4 and IPv6.
Does the IP Subnet Calculator send my code or data to any server?
No. Everything runs locally in your browser. Your code, data, and files remain on your device at all times.
What input size limits apply?
The tool handles most practical input sizes. Very large files may cause browser performance limitations since processing is done client-side.
Can I use this in my development workflow?
Absolutely. The tool is designed for developers and integrates well into local development workflows without needing command-line utilities.
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