Here is a list of all the connections open on my computer:
Microsoft Windows [Version 6.0.6000]
Copyright (c) 2006 Microsoft Corporation. All rights reserved.
C:\Windows\system32>netstat -a
Active Connections
Proto Local Address Foreign Address State
TCP 0.0.0.0:135 Gary-PC:0 LISTENING
TCP 0.0.0.0:554 Gary-PC:0 LISTENING
TCP 0.0.0.0:3390 Gary-PC:0 LISTENING
TCP 0.0.0.0:49152 Gary-PC:0 LISTENING
TCP 0.0.0.0:49153 Gary-PC:0 LISTENING
TCP 0.0.0.0:49154 Gary-PC:0 LISTENING
TCP 0.0.0.0:49155 Gary-PC:0 LISTENING
TCP 0.0.0.0:49156 Gary-PC:0 LISTENING
TCP 0.0.0.0:49157 Gary-PC:0 LISTENING
TCP 192.168.4.27:139 Gary-PC:0 LISTENING
TCP [::]:135 Gary-PC:0 LISTENING
TCP [::]:445 Gary-PC:0 LISTENING
TCP [::]:554 Gary-PC:0 LISTENING
TCP [::]:2869 Gary-PC:0 LISTENING
TCP [::]:3390 Gary-PC:0 LISTENING
TCP [::]:5357 Gary-PC:0 LISTENING
TCP [::]:10243 Gary-PC:0 LISTENING
TCP [::]:49152 Gary-PC:0 LISTENING
TCP [::]:49153 Gary-PC:0 LISTENING
TCP [::]:49154 Gary-PC:0 LISTENING
TCP [::]:49155 Gary-PC:0 LISTENING
TCP [::]:49156 Gary-PC:0 LISTENING
TCP [::]:49157 Gary-PC:0 LISTENING
UDP 0.0.0.0:123 *:
UDP 0.0.0.0:500 *:
UDP 0.0.0.0:3702 *:
UDP 0.0.0.0:3702 *:
UDP 0.0.0.0:4500 *:
UDP 0.0.0.0:5004 *:
UDP 0.0.0.0:5005 *:
UDP 0.0.0.0:5355 *:
UDP 0.0.0.0:60259 *:
UDP 127.0.0.1:1900 *:
UDP 127.0.0.1:59813 *:
UDP 192.168.4.27:137 *:
UDP 192.168.4.27:138 *:
UDP 192.168.4.27:1900 *:
UDP 192.168.4.27:59812 *:
UDP [::]:123 *:
UDP [::]:500 *:
UDP [::]:3702 *:
UDP [::]:3702 *:
UDP [::]:5004 *:
UDP [::]:5005 *:
UDP [::]:5355 *:
UDP [::]:60260 *:
UDP [::1]:1900 *:
UDP [::1]:59810 *:
UDP [fe80::31d1:9d3e:9704:e0e5%8]:1900 *:
UDP [fe80::31d1:9d3e:9704:e0e5%8]:59809 *:
UDP [fe80::5432:c81e:8c7b:c719%10]:1900 *:
UDP [fe80::5432:c81e:8c7b:c719%10]:59811 *:
UDP [fe80::6dae:9e6e:d661:14cf%9]:1900 *:
UDP [fe80::6dae:9e6e:d661:14cf%9]:59808 *:
C:\Windows\system32>