After exhausting all the IPs, you thus create a system in which only registered users may edit. That's... nothing bad, in my view. And if you start banning people for edit summaries, you'll lose all your edit slaves.
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AD ASTRA PER ASPERA
"You should never judge a book by it's cover unless you understand what you are getting into. But anyone with eyes can determine your kind rather easily. You and Triumph are of the same breed. Egotistical, narcissists who believe that numbers are some how important. It is one's love for something that truly determines who knows more and it is without a doubt that my love for the mage class trumps yours any day."