IP Subnet Calculator
Compute network address, broadcast address, netmask, wildcard mask, host range and CIDR for IPv4 and IPv6 subnets.
Processed server-side
Real-time
CIDR
Presets
Address plan
Binary
Network
Host
Enter a CIDR to see the network and host bits
About this tool
Compute network address, broadcast address, netmask, wildcard mask, host range and CIDR for IPv4 and IPv6 subnets.
How to use
- Fill in the input box above, or click "Fill sample" to try it instantly
- Adjust the options as needed — results update as you type
- Click "Run" to get the result, then copy or export it in one click
Tips
- Processed on the server; uploaded files are deleted immediately afterwards and never retained
- Completely free, no registration, no usage limits