![]() ![]() Precisely because MAC addresses are essentially burned-in, they play a role in securing a network. For example, if your laptop has both built-in Wi-Fi and an Ethernet port, it has two MAC addresses. Still, a device can have more than one MAC address. Rather, they are assigned by manufacturers themselves. ![]() These addresses don't change on their own, like an IP might. Your computer or smartphone would not be able to function properly or connect to a network without a MAC address. MAC addresses are sort of like ID numbers for computers, smartphones, routers, and so on. So, a typical MAC address would look something like this: 18-3B-5D-03-8A-40. Every device that connects to the internet has a Media Access Control (MAC) address, which usually consists of six sets of two characters. ![]()
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