Live data is shown here: https://www.marinetraffic.com/

It was made in 2016, I think. The company that made it also made Flourish, which you can use to pretty much recreate it if you have the data: https://flourish.studio/blog/animated-point-map/

Yeah my first thought was to view what changed, if anything, during peak COVID or the later issues.

This is still wonderful.