Network Info

Network Info is an Android app that shows information about the phone and the current network connection.

Network Info app for Android displays information about the phone and the current network connection.

In addition, it can display the public/external IP address/hostname of the device (e.g. if it is behind a router).

Only goes online to get the public IP via www.whatismyip.org and resolve it.

+Export
+Net location
+MCC+MNC

If you have platform 2.1+ use Network Info II.
You can download at: http://apk.cuaban.net/detail/7967/ Network-Info .html