It seems to me that this posited rangeblock is not going to work  if we look at users with nonblank user pages beginning with  there are only  one is already a suspected sock of PW and several are manifestly not PWclones So can you just please block the IPs  WestfieldIns which I brought to your attention quite a few edits ago and put a stop to the incessant quacking I did have a look at rangeblocking I can see why you view it with some circumspection