It looks like based on how haphazardly they tried to paint over the logos that it's formerly D-AIMK of Lufthansa.
https://www.aerotime.aero/articles/32822-lufthansa-a380-brin...
Based on this landing 3 days ago from LAX, and based on the aircraft location being "Rolling Hills Estates, California", I suspect this was the ferry flight in or around: https://www.youtube.com/watch?v=X6jfARHff8A