IP is an acronym for the Ideal Protein program.
Welcome! And don't lose heart, you are in complete control of this situation and if you dedicate yourself to changing your habits it WILL reshape your body. It doesn't even take perfection in your plan of choice, just persistence and a complete refusal to quit when you make a poor choice or go off plan. Get back on, keep getting back on, and you WILL make your goal. All you have to do is never give up. Find a plan that suits your tastes and lifestyle, ANY reasonable plan will do, and go for it.
I find I do better on lower carb and cleaner eating because of cravings and blood sugar issues (I don't like riding the insulin rollecoaster!), but calorie counting, primal, atkins, weight watchers, south beach, exchange plans, medifast... All of them have worked for folks, and even worked long term. For many folks without metabolic issues, the specific plan isn't the issue. It is a lifelong dedication to maintenance behaviors that makes the difference between a successful maintainer and a regainer. I highly recommend reading around this forum and the accompanying blogs, especially of longer term losers, and glean the wisdom you can.
Don't get dispirited and don't give up. You can do this if you DECIDE to