The 1.2 version of MyIp for Mac was provided as a free download on our website. The actual developer of this software for Mac is Appocto. The application is included in Internet & Network Tools.
From the developer:
MyIP is a simple (but useless?) utility that shows you your current IP address, WAN address, router address, and your Primary DNS server address. Requirements
PPC, Mac OS X 10.1 or later
*Previously available here
You may want to check out more software for Mac, such as My IP, My IP Address or IP Address and Domain Information, which might be related to MyIp.