IP Addressing & Subnetting
Master the concepts of IPv4 addressing, network classes, and subnetting to efficiently organize and manage IP networks.
Your Device's Network Address
Every device connected to a network needs a unique identifier, much like a mailing address for your house. In computer networks, this identifier is called an Internet Protocol (IP) address.
An IP address allows devices to locate and communicate with each other across local networks and the internet.
The IPv4 Address Format
We primarily use IPv4 (Internet Protocol version 4) addresses. These are 32-bit numbers, typically written in a dotted-decimal format.
This format divides the 32 bits into four sections, called octets, separated by dots. Each octet can range from 0 to 255.
- Example:
192.168.1.100 - Each 'dot' separates an octet.
All lessons in this course
- Understanding TCP/IP Model
- IP Addressing & Subnetting
- TCP and UDP Fundamentals
- ICMP and the Role of Ping and Traceroute