NATalyser

NATalyser is an app that checks 7 characteristics of the NAT that your phone is using in this moment in order to communicate with the general internet.

Please, notice that you'll get different results if you connect to the internet with WiFi andwith regular internet connection. Check them both if you want to know the complete behavior of your NAT.

If you want to get more functionalities, please go to http://natalyser.netcom.it.uc3m.es/ and check the linux version of this app, with more of 25 tests.