Is there a mod anyone knows of that lists blacklisted users?

[pityocamptes]

I was hoping for a mod that might merge IP addresses to users that might be spammers or those that sign up, but never confirm email - thus spammers that did not make it through, but user name has been cataloged in the system. So basically, when looking at the list for users, something that might flag users that have IP's that may have been reported to stopforumspam, or some other site. Thanks.