Network Tools Suite

Calculate Variable Length Subnet Masks for efficient IP allocation

Base Network (CIDR)

Enter the base network in CIDR notation

Subnet Allocation Strategy

Choose how to allocate subnets during subdivision

Network 1

Check if an IP address is assignable within a subnet

Find the common supernet for multiple IP addresses

Convert numbers between Binary, Decimal, Hexadecimal, and Octal

From Base

Number to Convert

Enter a decimal number (e.g., 255)