guido

Remove IP it’s a really-really-simple plugin to not log the IP address from the people that comment on your wordpress 
installation.
This plugin will be useful to people that cannot/or don’t want to use <a href="http://riseuplabs.org/privacy/apache/" title="libapache2-mod-removeip" rel="nofollow ugc">libapache2-mod-removeip</a> (because you don’t use 
apache or don’t want to wipe out the IP logging on all vhosts).

Remove IP

The plugin does exactly what its name suggests: it removes the IP address from new comments on your blog – not more and not less.

Simple and efficient

A simple plugin to not log IPs from comments.

Adiie9

IP Blacklist Cloud

Blacklist IP Addresses from visiting your WordPress website and Usernames from spamming.  View details of all failed login attempts.

Remove IP vs IP Blacklist Cloud