If you want to setup internet or network & you want to find what is your default gateway of your Macintosh Computer, Here is how to find that.
You have to setup Default Gateway for you Mac….
Step 01: Go to Preferences, Apple Menu at Top Left > System Preferences
Step 02: Click on Network
Step 03: Click on your preferred network name, Numbers mentioned in front of word Router is your Default Gateway
Apple refers ‘Router’ as / for ‘Default Gateway’
Hope it helps…
Thanks & Regards