What isdotted quad

A dotted quad or dot square is a human-readable representation of an IPv4 address. It consists of four sets of decimal numbers, separated by dots, with each number representing one byte in the 32-bit address. The range for each number is from 0 to 255. For instance, is an example of dotted quad notation.

This format makes it easy for humans to comprehend IP addresses, as opposed to the binary or hexadecimal formats. Each quad value represents a section of the 32-bit address, with each value consisting of eight bits. Additionally, subnet masks can also be represented in decimal notation, mostly using the first two or three quad values.

The example is in the typical reserved IP address range assigned by most Wi-Fi routers. The subnet mask for this address would be 255.255.255, as the first three quad values are reserved.


What is the difference between dotted quad notation and decimal notation?

Dotted quad notation is used for representing IPv4 addresses in a human-readable format, while decimal notation is the representation of subnet masks in decimal form, using only the first two or three quad values.

Why is dotted quad notation used?

It’s easier for humans to read and comprehend IP addresses in dotted quad notation than in binary or hexadecimal formats.

How many bits does each quad value represent?

Each quad value represents eight bits, contributing to the 32-bit address representation.

Final Thoughts

Dotted quad notation is an easy and understandable way of representing IPv4 addresses. It comprises of four sets of decimal numbers with each number representing an octet in the IP address. Understanding this notation can aid in setting up routers and understanding network addresses.

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