C Class Ip web hosting issue,Replay ASAP

I am little bit confused about IP address for Link building Purpose.


Series1: Dedicated IP

192.168.132.121 - Website-1
192.168.132.122 - website-2
192.168.132.123 - Website-3
192.168.132.124 - Website-4
192.168.132.125 - Website-5


Series2:

192.168.132.121 - Website-1
192.168.133.121 - website-2
192.168.134.121 - Website-3
192.168.135.121 - Website-4
192.168.136.121 - Website-5

Series3:

192.168.132.121 - Website-1
192.168.133.122 - website-2
192.168.134.123 - Website-3
192.168.135.124 - Website-4
192.168.136.125 - Website-5

Can u explain me which ip series website is more effective for link building purpose.