Python script to look up all the sites hosted on given IP/URL

Here's a script you can use to find out all the domains hosted on the given IP/URL. Takes a command line argument as you can see in the code;

Python # python sharedhosts.py www.monsanto.in
33 sites hosted on IP Address 184.22.117.180
\_________________________________________/
/

http://www.outboards.cn
http://www.sieunhandienquang.com
http://www.medhelp.in
http://www.alibre.cn
http://www.doppelstock.net
http://www.sexhuflit.com
...

I cut the list down to save space, you can find the script below;

http://pastebin.com/BzypB63Q