IT operations

Subnet Calculator

Calculate network range, usable hosts, broadcast address, and CIDR details. Use this Networking and IT tool to enter your numbers, review the result, and understand the key assumptions before making the next decision.

What you get
A focused calculator, clear explanation, common questions, and useful next tools.
Quick intro
Calculator
Result
Explanation
FAQ
Related tools

Calculator tool

IPv4 network
Subnet Calculator

Network address

Result

192.168.1.0/24

Subnet mask

255.255.255.0

Broadcast

192.168.1.255

Usable hosts

254

CIDR controls the split between network bits and host bits. Smaller prefixes create larger networks.

How this calculator works
The result depends on the numbers you enter and the assumptions shown below.

The explanation should show CIDR basics, usable host counts, and private network examples.

Review the inputs carefully and treat the output as an estimate. For decisions involving money, taxes, health, or security, compare the result with trusted professional guidance when needed.

Frequently asked questions

Does this support IPv6?

The first version can focus on IPv4, with IPv6 added as a later mode.

Can it show binary math?

Yes. A detailed explanation panel can be added for learning-focused users.