Ping monitor widget - a tool for monitoring the computers in the network and the state of data channels . To observe the protocol used ICMP. The widget provides a wide range of settings , similar to the PING command in Linux.
For each widget you can post a refresh interval and alert settings .
Each widget will mark the red one which the threshold is exceeded .
The threshold value can be set for response time : minimum, average , maximum, and for the percentage of packet loss

Ping monitor widget will help you to know the status of your network.
no Root required