Code:
on !*:nick:{
  if (666 isin $newnick) {
    var %i = 1
    while (%i <= $comchan($newnick,0)) {
      if ($comchan($newnick,%i).op) { ban -k $comchan($newnick,%i) $newnick 2 testing }
      inc %i
    }
  }
}