I seem to have figured it out. my expiry was set to the default 30 days and after researching that IP. they were last reported about 50 days ago. I increased my expiry time.

Would also be cool to see in the logs ones that registered because the entry in stopforumspam.com was expired.

mine is set to 90 days

Block it in acp-setting-ban options
make a range of ip like this

173.208.204.

or put in the list of "banned email address" downside a part of his email. ;)
:)

Also this is a great solution.
Give them the same privilages of a normal user group or something less and create a group if you don't just have "members awaiting moderation"
give to this group a promotion of 1 post to enter in the normal users

then in the "members awaiting moderation"
you will found there many spammers where you can immediately check. ;)

Don't forget to make this group moderated...
Like this first spammers you see you report it to the black lists by banning it with this great mod. ;)

One of the best mod i ever see. My record:
SPAM-O-MATIC STATISTICS
3749 Spammers Denied Registration
2 Spammy Posts Automatically Moderated
Thanks a lot for this

So far (forgot when I installed this mod):

Spam-O-Matic Statistics

118137 Spammers Denied Registration
458 Spammy Posts Automatically Moderated

Redacted.

I have reported this to the higher ups, someone may contact you to further explain your findings.

If you can confirm am exploit in this mod please use the "Report Post" icon and tell us where. I caution others not to worry prematurely. If an exploit is confirmed we will quarantine the mod and you will get notice.

Sadly, another one of my admins took it upon theirselves to remove the offending files/hooks that I had saved (Stupidly, I had not taken a backup). For now, I'll redact my original post unless I can recover those files/logs.