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Understanding CIDR Notation

by AWS

This course is an introduction to Classless Internet Domain Routing (CIDR) notation.

What you'll learn

This course is an introduction to Classless Internet Domain Routing (CIDR) notation. We review how an IP address maps to a series of 32-bit octets, how to declare a range of IP addresses as your CIDR block, and how to divide that range to provide IP address access to your subnets.

Table of contents

Understanding CIDR Notation
5mins

About the author

AWS

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