Below are the  links and tools will find ur neighbours(websites) hosted on the same sever,this will help us while doing Pentest on Web Application,bcz running scanner without seeing what other webistes are hosted on theserver some times leads to DOS on the server and all websites will be down.so chk  and tuneup ur scanner based on the requirements.

  1. http://www.yougetsignal.com/tools/web-sites-on-web-server/
  2. Get the IP adress of the website or server then go to www.bing.com and type IP:127.0.0.1(Server IP address) and search bing will do a lookup and show the results of all the websites located on the same server.
  3. Serverchk.py http://packetstormsecurity.org/UNIX/scanners/serverchk.rar
  4. http://www.my-ip-neighbors.com/

5.      If you’re using Linux then bing-ip2hosts also does this.

$ ./bing-ip2hosts www.websitename.com

U Can Download from here http://www.morningstarsecurity.com/research/bing-ip2hosts