For macOS 13 Ventura

IP Address

1.) Click the 'Apple' icon and select 'System Setting...'

2.) Select 'Network'

3.) Your IP address will be found by selecting the top most network adapter identified with a green dot. For this case, it would be the Wi-Fi adapter.

To reveal the IP address, select Details.

MAC Address

1.) Click the 'Apple' icon and select 'System Setting...'

2.) Select 'Network'

3.) Select the network adapter (i.e. WiFi), then click Detail.

4.) Choose Hardware, the MAC address should be visible on the right.

macOS 12 Monterey and prior

IP Address

1.) Click the 'Apple' icon and select 'System Preferences...'
2.) Select 'Network'
3.) Your IP address will be found under 'Status' of the top listed network adapter identified with a green dot.

Mac Address

1.) Click the 'Apple' icon and select 'System Preferences...'

2.) Select 'Network'

3.) Click 'Advanced...'

4.) Click the 'Hardware' tab, where the MAC Address is listed