This tutorial explains how to view the different devices connected to your AT&T Wireless Internet.
INSTRUCTIONS & INFO
From a device that is connected to the AT&T Wireless Internet network, open the web browser and go to http://att.wirelessinternet. Enter your Admin login, then click Login.
Note: The default admin login is attadmin. The admin login can be found on the bottom of the device.
Click Connected Devices. Devices that are currently connected to your AT&T Wireless Internet via Wi-Fi or Ethernet will be displayed.