alias trackhost { 
  if ($regex($2,/^-c(#.*)$/)) { 
    if (!$chan($regml(1)) { 
      echo -a Not in specified channel. 
      halt 
    } 
    else { 
      var %c = $regml(1) 
      tokenize 32 $2- 
    } 
  } 
  if (*!*@* !iswm $1) echo -a You must specify a valid hostmask to search for. 
  elseif (!$iif(%c,$ialchan($1,%c,1),$ial($1,1))) echo -a No users matching the hostmask $1 were found. 
  else { 
    var %a = 1 
    while ($iif(%c,$ialchan($1,%c,%a).nick,$ial($1,%a).nick)) { 
      var %n = %n $v1 
      inc %a 
    } 
    echo -a Users found matching hostmask $1 $+([,$numtok(%n,32)) in total]: 
    echo -a $replace(%n,$chr(32),$+($chr(44),$chr(32))) 
  } 
}