Add-on Paid - Auto Discourage IP

Hi all,

As per this thread:

I am looking for a plugin that would automatically 'IP Discourage' any new IPs belonging to users that are already 'Discouraged'. The only option I would like to see is that Admins (and possibly moderators) are alerted when these new IPs are discouraged ("Troll22's new IP has been added to the Discouraged list")

Willing to pay for this, and would be happy for the developer to release it for free to the Add-Ons database here as it may be useful for other forum owners dealing with trolls!