Learning path
Subnetting
Skill Level
Fundamentals
Duration 3 hours 30 minutes
Updated Oct 25, 2026
About this learning path
Subnetting is a core networking concept that plays a critical role in the design, organization, and operation of modern IP networks. This learning path introduces the fundamental principles of subnetting and demonstrates how they are applied to improve network efficiency, support communication between devices, and simplify network management. Through a blend of core concepts, practical examples, and hands-on learning, learners will gain the confidence to understand, calculate, and apply subnetting in real-world environments.
Your instructors
Tommy ShelbyWorld Wide TechnologyTech Solutions Eng II, ATC
Francisco Alvarez-RuizWorld Wide TechnologyPrincipal Solutions Arch, ATC
Prerequisites
- Eagerness to Learn
What you'll learn
- What Is Subnetting?
- Understanding IPv4 Addresses & Binary
- Understanding Subnet Masks & CIDR Notation
- Calculating Host Capacity & Subnets
- Finding the Network Address, Broadcast Address, & Usable Host Range
- Variable Length Subnet Masking
- Subnetting in Different Octets