NetCalc
Your data never leaves your device
IP Calculator
Plan your networkPaste a CIDR to compute network, broadcast, host range, mask. Mobile-friendly. Your input never leaves the browser. For more advanced network planning, open the NetCalc Planner .
Launch Special
Free During Launch
All features unlocked, no limits, no account required.
Free
$0
- All tools included
- Basic processing limits
- No account required
Plus
$1.99/mo Free
- Up to 100 ranges per plan
- 5 saved workspaces
- PNG export without watermark
- Offline support
Pro
$3.99/mo Free
- Unlimited ranges
- Unlimited saved workspaces
- Multi-workspace tabs
- Templates (K8s, home network, IoT, ...)
- Offline support
When the launch period ends, basic features will remain free forever within generous limits.