Network Subnet Calculator

Calculate subnet information, CIDR blocks, and network ranges with our comprehensive network calculator tool

Subnet Calculator
Enter an IP address and CIDR notation to calculate subnet information and network ranges

Networking & Subnetting Guides

Subnetting Basics

Learn the fundamentals of IP subnetting, CIDR notation, and network segmentation

CIDR Notation Guide

Master CIDR notation and understand how to calculate network ranges and subnet masks

Network Planning

Plan and design efficient network architectures using proper subnetting strategies