IP Subnet Calculation

Free Online IP Subnet Calculator

The IP subnet calculator is a practical tool for network engineers, programmers, and IT students that helps them quickly calculate subnets, usable addresses, and network masks.

Applications of the IP Subnet Calculator

Determine the IP range of each subnet

Calculate the number of usable hosts in each subnet

Calculate the network mask based on requirements

Analyze IP addresses for network design

How to Use the Tool

Enter the initial IP address

Enter the CIDR value or network mask

Click the "Calculate" button

View results including: IP range, network address, broadcast address, and number of hosts

Key Features

Support for IPv4 and IPv6

Accurate results with explanations

Suitable for both beginners and professionals

Simple and user-friendly interface

Security and Privacy

All entered data is processed only on your browser and no information is sent to the server.