How to find IP address in gtalk

To find IP address if your friend or victime in gtalk just login into gtalk messenger and send any message to your friend such as
"Hello how are you"
befor sending this message go to Start in your desktop
then Start => Run => type "cmd" => now send you message and in command promt type
"netstat -na" command it will open all active connection of your pc
now search foreign IP address conected to your local IP address with open port 5050 or 5010 and
that foreign IP address is either gtalk server or your friend now just use www.whatismyipaddress.com and trace that IP to find where that IP address is your frinds or gtalk server
if you get gtalk server IP address than again repet above process or also try to send some file or create call or wab cam chatting
it is depend on your victime ISP and your victime seccurity some time only instant message is suffient to get IP address of victime while some time you need to send file