title: Notepad++ keep only IP addresses
body: <p>I'm wanting to keep only the IP addressees in a huge file that look like this using Notepad++
  I can't figure out a good regex to accopmlish this. Any help would be appreciated.</p>
  
  <pre><code>9/9/2099 09:00 PM | UA: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like 
  GeckoChrome/34.0.1847.116 Safari/537.36 | IP: 61.252.241.65
  HOST: 61-252-241-65.hlrn.qwest.net | REFERRER: http://www.google.com/
  
  9/9/2099 03:00 PM | UA: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like
  Gecko) Chrome/34.0.1847.116 Safari/537.36 | IP: 71.222.254.49
  HOST: 71-222-254-49.hlrn.qwest.net | REFERRER: http://www.google.com/
  </code></pre>
  
  <p>Should become</p>
  
  <pre><code>61.252.241.65
  71.222.254.49
  </code></pre>