See Who’s Connected to Your Windows Computer

To see other computer who is connected to your computer through TCP/IP services such as FTP, POP3/SMTP just use the Netstat command from the command prompt.

1. Click on Start -> Run, and then type “cmd” (without quotes) to access the MS-DOS.
2. On the MS-DOS screen type:

netstat (seconds)For example: netstat 5

(seconds) represent how long will netstat update the TCP/IP connections.