Subnetting
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May 1, 2024
Updated May 11, 2025
19 minute read
An Introduction to Subnetting
Subnetting is a fundamental concept in computer networking that involves dividing a larger network into smaller, more manageable pieces called subnets or sub-networks. This process is crucial for optimizing network performance, enhancing security, and making efficient use of IP addresses. Imagine a large office building; instead of having one giant mailroom for everyone, each department might have its own smaller mailroom. Subnetting works similarly for computer networks, ensuring that data "mail" gets to the right "department" quickly and efficiently.
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