A Firefox add-on for viewing host names.
By doing so, you'll be able to view various other host names that share the same IP address as the website you're currently visiting. These results will be displayed in a new tab on the Host Spy website.
One of the great things about this add-on is that it's cross-platform, so whether you're using Mac OS X, Windows, or Linux, you'll be able to use it without any issues. It's a useful tool to have in your arsenal if you're interested in learning more about the other websites that may be sharing the same server as you.
Version 0.4: N/A