CIDR notation is a common telecommunications protocol used to identify and organize IP addresses. If you’re working with networks or managing communications, understanding CIDR notation is essential. In this blog post, we will provide an overview of CIDR notation and explain how it can be used to identify and route IP traffic. We will also discuss the range of IP addresses that are typically used with CIDR notation. Finally, we will provide a brief example of how CIDR notation can be applied in a networking scenario.
What is CIDR Notation?
CIDR notation is a way of writing IP addresses that is used in routing and networking. It uses the format “IP address/mask”, where the “IP address” is written in dotted decimal form and the “mask” is written as a number between 0 and 255. For example, 78.126.0.0/16 would be an IP address range that consists of the following 16 addresses: 78.126.1.0 through 78.126.15.255, 78.126.16.0 through 78.126.31.255, and 78.126.32.0 through 78.126.47.255 The mask can be thought of as a bitmask, and it tells routers how many bits to use to determine the IP address within the range specified by the “IP address” column and the “mask” column respectively
What is an IP Address Range?
CIDR notation is a way to easily identify an IP address range. This notation uses four numbers, each between 0 and 255, that represent the first 3 octets of an IP address. An IP address can be written in dotted decimal or hexadecimal form, but most people use CIDR notation.
For example, 192.168.1.0/24 would represent the first 24 addresses in the range 192.168.1. To identify the whole range, you would just add .0 at the end: 192.168.1.25-192.168.1.254
IP addresses are usually written in slash notation when they are listed on a website or in a document, such as an email message or document file. This means that the first character of each address is a slash (/), and each additional character represents another number in the range shown above it (for example, 192 would be represented by /19).
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How to Convert an IP Address to a CIDR Notation
CIDR notation is a format used to represent IP addresses. This notation is divided into two parts: the first part consists of the network number and the second part consists of the host number. The network number is written in decimal form, while the host number is written in dotted decimal form. For example, 192.168.1.101 would be represented as 101.168.192.0/24, and 128.199.128.0/18 would be represented as 128.199.128.0/2
