Hey here is a neat script which tells your friends when they connect server which you are playing
Download it from here
http://www.mediafire.com/?hh8sgyo5p5qrgn5
go there, download, unzip and put the two files in config folder in main assault cube installation folder
add the following command in autoexec.cfg in config folder
exec config/newhois.cfg
Thats it
It will be helpful in recognizing fakers or your friends having different names
.
Remember it may not be correct always as another person having same ip range will also be displayed and might not actually be the member.