MACtools: Tools to Work with Media Access Control ('MAC') Addresses
In hrbrmstr/MACtools: Tools to Work with Media Access Control ('MAC') Addresses

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A media access control address (MAC address) of a device is a unique identifier assigned to a network interface controller (NIC) for communications at the data link layer of a network segment. MAC addresses are used as a network address for most IEEE 802 network technologies, including Ethernet and Wi-Fi. In this context, MAC addresses are used in the medium access control protocol sublayer. Tools are provided to work with these 'MAC' addresses.