Thanks, I think I found the solution which wrote by Scott Harrison.

$IP = @IPADDRESS0
$IPNOSPACES = LTRIM(SUBSTR($IP,1,4))+LTRIM(SUBSTR($IP,5,4))+LTRIM(SUBSTR($IP,9,4))+LTRIM(SUBSTR($IP,13,3))
http://kixtart.org/board/Forum2/HTML/000295.html