The network information of a media player can be found from the Firstview Manager. First access the Overview page. Then click the dot from the lower left corner of the desired display group. Then the media players connected to this display group can be seen.
Click the media player of your choice from the list. Then you can access the Display Management of the chosen display. Note that more than one media player can be seen on the list depending on how many displays have been connected to the display group.
From the Display Management, the ID number of the media player can be seen. To access the media player's network information, click the exclamation mark on the right side of the ID number. All the media player's network information excluding the wireless network's information can be found here.