You want to "wrap yourself" in the larger Internet World? You don’t want your information to be leak an outsider? You want to cover yourself and no one, even the professional hacker found you? It’s good that this add-on was born.
This add-on will hide the IP of super admin in posts and at the online list. It is an amazing idea for privacy.
You should note that the IP of the super admin will be hidden from everyone in posts and in the online list, including to the super admin himself/herself as well.