Document -iprange a bit more, and warn not to use its addresses elsewhere
Document -iprange a bit more, and warn not to use its addresses elsewhere

2opremio/weave,dpw/weave,achanda/weave,OnePaaS/weave,inercia/weave,inercia/weave,squaremo/weave,achanda/weave,dpw/weave,paulbellamy/weave,aaam/weave,paladin74/weave,errordeveloper/weave,2opremio/weave,squaremo/weave,inercia/weave,philipz/weave,bboreham/weave,narry/weave,squaremo/weave,cgvarela/weave,kidaa/weave,BWITS/weave,cgvarela/weave,tomwilkie/weave,awanke/weave,philipz/weave,kidaa/weave,squaremo/weave,philipz/weave,kidaa/weave,bboreham/weave,n054/weave,cgvarela/weave,kidaa/weave,BWITS/weave,paladin74/weave,OnePaaS/weave,beni55/weave,dpw/weave,2opremio/weave,weaveworks/weave,achanda/weave,tomwilkie/weave,aaam/weave,bboreham/weave,beni55/weave,n054/weave,squaremo/weave,paulbellamy/weave,narry/weave,2opremio/weave,achanda/weave,awanke/weave,dpw/weave,n054/weave,BWITS/weave,tomwilkie/weave,weaveworks/weave,weaveworks/weave,dpw/weave,errordeveloper/weave,cgvarela/weave,cgvarela/weave,narry/weave,ycaihua/weave,ycaihua/weave,awh/weave,BWITS/weave,errordeveloper/weave,tomwilkie/weave,errordeveloper/weave,n054/weave,inercia/weave,awh/weave,paladin74/weave,beni55/weave,rade/weave,OnePaaS/weave,ycaihua/weave,tomwilkie/weave,paladin74/weave,kidaa/weave,aaam/weave,OnePaaS/weave,2opremio/weave,awh/weave,errordeveloper/weave,awanke/weave,philipz/weave,awanke/weave,inercia/weave,bboreham/weave,ycaihua/weave,paladin74/weave,awh/weave,aaam/weave,rade/weave,rade/weave,aaam/weave,beni55/weave,BWITS/weave,achanda/weave,ycaihua/weave,awanke/weave,rade/weave,weaveworks/weave,paulbellamy/weave,paulbellamy/weave,n054/weave,beni55/weave,awh/weave,bboreham/weave,rade/weave,narry/weave,philipz/weave,narry/weave,OnePaaS/weave