I may be late to the mix, but yesterday Niantic announced that they unbanned a bunch of accounts. See here Pokemon GO.
I checked out some of my accounts and all my 30+ are still banned, however my 20-29 accounts were reinstated. Everything is still there, stardust and some pokemon, but the sick twist is that the 100% iv pokemons that I sniped are all gone. Probably every sniped pokemon are gone.