It is from a time when we were used to remember phone numbers, and where we shared our phone numbers to keep in touch (calls, sms). ICQ directly picked on that and it was just another „phone number“.
Unfortunately I only remember the first half of mine after so many years. In the age of smartphones, at least my brain degenerated to not be able to recall more than a handful of important phone numbers.
Playing around with a hex based game myself, the bookmark to the Hexagonal Grid is a constant companion over the years. It was updated slightly over the years with some visual cues. Amazing presentation, and so great to learn.
And in some/many jurisdictions, your ISP is more regulated by your local government (also in regards to data protection) than cloudflare who has no obligation to you.
Unfortunately I only remember the first half of mine after so many years. In the age of smartphones, at least my brain degenerated to not be able to recall more than a handful of important phone numbers.