They all seem to be connected in GA. Not sure how I missed that. I have updated the spreadsheet with the companies that are in the same GA account.

It is too early for conclusions. I did some digging and seems like only 1 and not yet closed is hosted on Colo. Most are hosted on Linide/Vultr. There is a clear pattern they are connected tho. I have all the data here if you are interested https://hostingchecker.com/mor...