Network Stat for Mac

From widgetschmie.de:

Network Stat displays the Name of your current Network-Location, your LAN- and your WAN-IP. The Features:

• display the current Location
• change your Location right in the Widget
• display your internal IPs, along with an Icon of the Interface
• display your "real" Internet-IP
• send notification emails whenever your IP changes
• click on any desired info to copy it to your Clipboard
• ping any desired IP
• shows your IPv4, config-type, gateway, netmask, SSID, WLAN-channel, Proxy-settings, BSD-name, type, MAC-address and DNS servers
• automatically updates the Info, based on your preferences; manual refresh possible
• Three different flavours available, simply switch them via Preferences

In the default view you'll see a countdown timer telling you when the next refresh will happen at the top of the widget, on the right hand side is a button to do a manual refresh. Click the timer to see the date of the last refresh. Just below is a house-icon and your current Network-Location. Click the house to change your location.

Below that is Ã?¢ââ??‰â?¬Å? for every (active) network interface Ã?¢ââ??‰â?¬Å? an Icon for the interface and the assigned IP. Click the Icon to toggle the expanded information.

At the bottom of the widget is your "real" Internet IP. Click the globe-icon to see a list of your last IPs and the ping results.

There are many options in the preferences. There you can choose from 3 different skins, supply some email addresses so the widget can send you a notification if your IP changes, and other options.