Here are some interesting facts about the MAC address. Generally, each time you appropriately alter a digit or a letter, you’ll get a new MAC. This same address can also appear as d4:fb:6a:7c:31:b4 or D4FB6A7C31B4, depending on what platform or application you use to view it.Īs you might have noticed, MAC is not case-sensitive, but it tends to appear either all lower case or all upper case. If it belongs to an actual device, that’s just a coincidence.) (This is a random address I made up for this post. That said, here is a MAC address as you’d see on a Windows computer: Depending on where you view the address, these groups are separated by colons, hyphens, or nothing at all. This NIC comes as a Wi-Fi adapter, an Ethernet adapter (wired), or a cellular modem.Ī MAC address consists of six groups of two characters (numbers or letters). Your device - be it a computer, a tablet, or a phone - can connect to the Internet because it has a NIC. So a MAC address - I’ll call it MAC from now on for short - is precisely that, the unique identifier to control the access of a network interface controller (NIC), which we often call a network adapter. How to change the MAC address of a Mac computer.How to change the MAC address of a Windows computer.How to change the MAC address of a router.Reasons you might want to change your MAC.
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