For FaceBook Group post with More account.is effective IP Changer? please help experienced

hi,
i am using 1 PC for 25 FB A/C. But now,i faced Blocked and Post Restriction problem. So i want suggestion from experienced people.is it effective for FB Group post? and what is system or plan for this? Paid IP Changer or Free? which is best ? please give me advice..help help....help

I think problem is 1.Your Domain 2. Web Content

You must know that fb these days its trying to ban everyone who is working direct with adsense or mylikes.
Ps. Facebook is blacklisting (not trusted) domains with only 1 post if its reported or has sexually content.