FIND PARTNER IP ADDRESS IN YAHOO MSGR

Open ur DOS prompt..By jus going through START>RUN>(type cmd in a given Box)


Type
cd\ (for going to root)
netstat -n
(wait for a while)

Some thing like this will apear

PROTO LOCAL ADDRESS FOREIGN ADDRESS STATE
TCP 203.46.111.92:1863 177.99.20.35:1099 ESTABLISHED
HTTP 203.46.111.92:1560 177.99.20.35:1054 ESTABLISHED
TCP 203.46.111.92:1501 177.99.20.35:1068 ESTABLISHED

Note: Last four digit will be keep on changing so donot need to note that.
The field we needed is (FOREGIN ADDRESS).
LOCAL ADDRESS is ur IP address.
Then just place this IP to IP tracer and fing it out his/her IPS....
Enjoy...Have fun

Disclaimer:- I am not responsible if you get caught