Understanding IP Address Structure: Classes, Subnetting, and Network Calculations

This article explains how IP addresses are composed of network, subnet, and host parts, details the five IP classes (A‑E) with their ranges, default subnet masks, and shows how to determine if two addresses belong to the same subnet using binary AND operations.

IP addressSubnettingbinary calculation

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Understanding IP Address Structure: Classes, Subnetting, and Network Calculations

Open Source Linux

May 21, 2020 · Fundamentals

How IP Addresses Work: Network & Host IDs, Classes, and Subnetting

This article explains the fundamentals of IP addressing, detailing how network and host IDs identify devices, the classification of IP addresses into classes A through E, their binary prefixes and numeric ranges, and introduces subnetting concepts such as subnet masks and dividing networks into smaller segments.

IP addressingSubnettingTCP/IP

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How IP Addresses Work: Network & Host IDs, Classes, and Subnetting