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Understanding IP Addresses and Binary

ID: 91ddbe41-2a51-5ce1-a24b-69df714281e5

STIX ID: report--91ddbe41-2a51-5ce1-a24b-69df714281e5

Feed Name: WatchGuard Secplicity Blog

Date Published: 2011-04-07

Date Updated: 2026-05-01

Author: Corey Nachreiner

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This article is a technical primer on how computers represent IP addresses in binary as four octets (bytes), explaining bit values, decimal/binary conversion, and why each octet ranges from 0–255; it frames these fundamentals as essential groundwork for network administration and subnetting, especially for those configuring WatchGuard XTM/Firebox appliances.

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