You will have issues accessing Catbox/files on Catbox if you are connecting from the following countries or providers:

The Australian government […] decided that Catbox was a terrorist propaganda spreading website

the love of footy has overtaken the sensibilites of the British and Irish governments, and they have decided to implement an IP level block

Sounds great.

From a friend I've heard that they can't access it via Tor, which is kinda sad. Under governments which are threatening LGBTQ+ people some may want some kind of protection looking at queer memes.