Demystifying MAC Addresses: OUI Architecture, Hardware Addressing & Private Wi-Fi MACs
Deep-dive into Layer-2 Ethernet networking: explore 48-bit MAC address bit-level architecture, IEEE OUI vendor assignments, multicast bits, and modern smartphone Wi-Fi address randomization.
Published: 2026-09-18 · Author: Rian Pratama (Lead Infrastructure Engineer)
Deep-dive into Layer-2 Ethernet networking: explore 48-bit MAC address bit-level architecture, IEEE OUI vendor assignments, multicast bits, and modern smartphone Wi-Fi address randomization.
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MAC Address & OUI Vendor Lookup
Lookup hardware manufacturers, inspect bit flags, and format MAC addresses across Cisco, Linux, and Windows standards.