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Tool
IP / Subnet / CIDR Calculator
Enter an IPv4 address to instantly calculate network, broadcast and host capacity.
Inputs
Enter an IPv4 address to instantly calculate network, broadcast and host capacity.
Estimated Result
Network
192.168.1.0
Broadcast
192.168.1.255
Usable Hosts
254
Subnet Mask
255.255.255.0
Details
First Usable192.168.1.1
Last Usable192.168.1.254
Total Addresses256
CIDR/24
Formula Note
Hosts = 2^(32-CIDR)
Assumptions
• Results are estimates based on your inputs.
• Outputs are for decision support and not a final commercial quote.
Frequently Asked Questions
Does this tool fetch live data?
No. It runs fully in-browser with your own inputs.
How should I use this output?
Use it as a baseline during architecture and budget planning.
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