There are several ways, how one can access a website. Using domain name (i.e.
http//www.example.com/) is one of most popular. We can also use IP address (i.e.
http://18.104.22.168/). In certain situations URL can be “enhanced” with port number, login and password etc.
Less known option is that in internal network you can access an URL using… MAC address. You only need to enclose it inside square brackets i.e.:
This will, of course, work in any other situation where you know MAC address of the destination device.