         3. in current use but are part of a non-generic 'feature' of
            the current IRC server.
  
         209     RPL_TRACECLASS          217     RPL_STATSQLINE
         231     RPL_SERVICEINFO         232     RPL_ENDOFSERVICES
         233     RPL_SERVICE             234     RPL_SERVLIST
         235     RPL_SERVLISTEND
         316     RPL_WHOISCHANOP         361     RPL_KILLDONE
         362     RPL_CLOSING             363     RPL_CLOSEEND
         373     RPL_INFOSTART           384     RPL_MYPORTIS
         466     ERR_YOUWILLBEBANNED     476     ERR_BADCHANMASK
         492     ERR_NOSERVICEHOST

