Could you pass this on dayglored - it helps people identify all devices feeding on their wireless network.. (download link at bottom of reply)
http://www.komando.com/downloads/2251/see-who-is-stealing-your-internet/2
This free download provides you with a list of every device connected to your wireless network.
Wireless Network Watcher scans your network and shows you the IP address, MAC address, name and manufacturer of the computers, tablets and smartphones it detects on your network.
Note: Each computer has a unique IP address, or Internet Protocol Address. Some computer hardware have addresses, too. Theyre known as MACs, or Media Access Control.
As soon as you boot up Wireless Network Watcher, youll see all the detected devices come up on the list. You should be able to recognize all the devices on it. If you dont, you know somebody is connected without your permission.
Download instructions
Click on the blue link below. Scroll down the page until you see in purple, Download Wireless Network Watcher with full install/uninstall support (wnetwatcher_setup.exe). Wireless Network Watcher will automatically download. Open the executable file and follow the step-by-step installation instructions.
Download:
http://www.nirsoft.net/utils/wireless_network_watcher.html
Description
Wireless Network Watcher is a small utility that scans your wireless network and displays the list of all computers and devices that are currently connected to your network.