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