If there's an identifier, you can use it as a display command as well...
want to display $address($me,1) , try
Depends on your network and the IRCd they're using, some of them will tell you in the RAW001 when you connect:
--> Welcome to the Internet Relay Network email@example.com
If this applies to you, catch the raw001 event.
otherwise, you can always use "to the server" commands like /whois or /who $me or any similar command.