I was banned by error please fix

well I play on Horde side PVP server, Warlock, undead (Terrifying) lvl 53
My brother 2 days ago sent me 200g from his hunter, who plays from SAME IP I play from you can check that am sure, but for some reason I got banned today....
If this is not reason I got banned then maybe because I AFK logged out yesterday on AV, I was in middle of a game we winning got busy at work and just left it AFK until it booted me out....
I dont use no bots or hacks just add-ons and nothing to keep me not afk or anything stupid like that.. can you please confirm why I was banned?
My brother 2 days ago sent me 200g from his hunter, who plays from SAME IP I play from you can check that am sure, but for some reason I got banned today....
If this is not reason I got banned then maybe because I AFK logged out yesterday on AV, I was in middle of a game we winning got busy at work and just left it AFK until it booted me out....
I dont use no bots or hacks just add-ons and nothing to keep me not afk or anything stupid like that.. can you please confirm why I was banned?