Any old IV calculators out there

I've recently caught a bunch of pokemon from quests that I had completed before the CP re-roll. These pokemon have the original pre-redistribution CP values. Without powering each and every one of these up (and thus give them updated CP values), are there any IV calculator sites out there that A) haven't updated for the CP changes or B) can calculate IVs for both pre and post change? Otherwise, I've only been able to winnow out the obvious crap (best stat is HP or D, not 15).