about immunity to auto pruning

as far as I know most of the sites auto-prunes all or low level inactive accounts .
so I want to know on which level accounts will not be auto pruned in the sites...

as far as I know immunities to auto pruning

oink power user account
bimetv and bitme vip account
ftn ftn power accout

and thanks for the supplementary

yeah oink donators and power users can't be auto-pruned. off the top of my head, i dont know about ftn or the bitme's

Alot of sites if you reach power user your fine.
Some its VIP or higher.