Power Netstat

Please try Power Netstat Free to be sure that everything works fine on your device.

Power Netstat display current incoming/outgoing connection to/from your device:
- application name
- application package (com.example.app)
- ip address and port
- connection state and type
- ip location
- UID (ID of the user that owns the socket)

You can optionally start the background logger, close Power Netstat and do whatever you want with your device;
when the time is up Power Nestat will save your connection data into your external storage.
Power Netstat always save data into CSV files

https://en.wikipedia.org/wiki/Comma-separated_values

Csv reader is not included but you can find good ones on the store.
Power Netstat geolocalizes IP addresses using an online service based on a GeoLite database
http://dev.maxmind.com/geoip/legacy/geolite/

Power Netstat is not an antivirus but can help you to find out suspicious connections from untrusted applications.

*Power Netstat scans kernel folders to retrieve information, successfully tested on
- Trekstore Surftab, Android 4.1.1
- Samsung GT-I9195 (S4 Mini), Android 4.2.2
- Samsung GT-S5570I (Next Turbo), Android 2.3.6
- Samsung SM-G800F (S5), Android 4.4.2
You don't need to be root to run Power Netstat, but manufacturers may allow or not access to this or that system folder.

You can find other information here

http://www.plmtmobile.altervista.org/netstat/