I WAS FINALLY ABLE TO FIX THIS 
Thanks to @d0p3t on the the discord server for mentioning that some Brazilian players had been having ISP related issues, i could figure out that I was one of them!
As soon as I setup a VPN the problem vanished!!
so, if you try everything else like I did and get nowhere, try changing networks or using a VPN!!
My ISP is NET (their shitty site)
Like stated in my main post, this blockage from the ISP par is new, as I was able to play normally last year.
Since this ISP is pretty big in Brazil, I would think many Brazilian players would be driven off by the idea of having to use a VPN to play.
So I don’t know if the Citizen collective has any way of circumventing this block, but if it does, I can assure you it would attract a lot of players.
I will also get in touch with the ISP to see if I can get things sorted out in any way.