If you know you have been false banned, please start a conversation with CrazyManJr on discord (even if your appeal got declined or not). You may get discord here if you don't have one:
https://discordapp.com/ You may find CrazyManJr via this discord server:
https://discord.gg/cubecraft
As of right now, you can try to appeal for you ban by clicking here:
https://appeals.cubecraft.net/ Please mark your appeal as a FalsePositive. Be sure to describe what happened exactly before you were banned and what clients you were using when you got banned(e.g. what clients were you using; optifine, labymod, 5zig, vanilla mc, etc..)
Locking this thread due to many responses being repeats/being slightly off topic.
Any further questions, feel free to PM me!
~ Locked