Classless IP Addressing Explained | Basic Concept (CIDR)

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In this video, we explain the basic concept of Classless IP Addressing (CIDR – Classless Inter-Domain Routing) in a simple and beginner-friendly way. Classless IP addressing was introduced to overcome the limitations of classful IP addressing and to make efficient use of IP addresses.

This tutorial is ideal for students and professionals learning Computer Networking, CCNA, and IT Support fundamentals.

🔍 What You Will Learn in This Video

What is Classless IP Addressing (CIDR)?

Why classless addressing is needed

Difference between Classful and Classless IP Addressing

Understanding CIDR notation (e.g., /24, /16)

Network prefix and host portion basics

Simple examples to understand the concept clearly

🎯 Who Should Watch This Video?

Computer Networking beginners

CCNA 200-301 students

IT Support & Helpdesk learners

Computer science students

Anyone starting with IP addressing concepts

🚀 Why Classless IP Addressing Is Important

✔ Efficient use of IP addresses
✔ Eliminates fixed class boundaries
✔ Core concept in modern networking
✔ Essential for CCNA and real-world networks

🎓 Topics Covered

• IP addressing fundamentals
• CIDR basics
• Network prefix understanding
• Modern IP addressing concepts

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