To bypass this type of blocking you can configure your computer to always use a predefined IP address when accessing exbii.com. In order to do that, you need to edit the so called hosts file. On Windows it's "C:\WINDOWS\System32\drivers\etc\hosts". On Mac OS X it's "/etc/hosts". Open this file with a text editor (Notepad on Windows, TextEdit on Mac OS X) and append the following lines to it:
54.197.235.173 ads.livepromotools.com 78.140.191.100 go.mobisla.com 50.115.32.74 ads4pubs.com 128.30.52.37 www.w3.org 64.233.166.100 apis.google.com 192.69.193.34 www.bollygallery.com 199.16.156.6 twitter.com 50.115.34.115 www.xb-wiki.com 107.182.165.114 filesflash.net 216.158.70.98 www.xossip.com 31.13.93.3 www.facebook.com 64.185.232.106 www.pzy.be 216.158.70.226 srv.xossip.com 216.158.70.98 exbii.com 64.185.232.170 www.masaladesi.com