If you want not track the Ip with Google Analytics you can use the command following:
ga(‘set’, ‘anonymizeIp’, true); if you use the library analytics.js (Universal Analytics)
or
_gaq.push([‘_gat._anonymizeIp’]); if you use the library ga.js (Classic Analytics)
Example
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) })(window,document,'script','//www.google-analytics.com/analytics.js','ga'); ga('create', 'UA-XXXX-1', 'auto'); ga('set', 'anonymizeIp', true); ga('send', 'pageview');