Just to clarify, they are from the early days, but they are also from the now days. They are still publishing. A link to their official site is in the above Wikipedia article.
Re:2600.network Dialup Service
by sonicanatidae on Monday March 18, 2024 @02:31PM
(#39748099)
They are, but sadly, blowing a 2600 down the line these days just gives someone in the CO a chuckle when they read the logs, a week later.
https://en.m.wikipedia.org/wiki/2600:_The_Hacker_Quarterly