Where a message came from, as sent in the :-prefixed source.
:
A server sends its own name; a client's message arrives as nick!user@host, though a server may send only the nick.
nick!user@host
The host part, when present.
The nick, or the server name when there is no ! or @.
!
@
The user part, when the source is a full hostmask.
Where a message came from, as sent in the
:-prefixed source.A server sends its own name; a client's message arrives as
nick!user@host, though a server may send only the nick.