Key loggers aren't really just gotten by ips you need to send the server side of the key logger to the other computer and for the next part of connecting to them you need to know there ip so ye.
over xbox live there are alot of threats to me omg your so good at headquarters (i get like atleast 500 a game) and say if you dont give me your secret i will get your ip and hack your life... im like wow faq (q is not a g)