As you probably already know, retrieving information about your Windows CE handheld adapters is fairly simple.
To do so, simply open up Pocket Commander - Start è Programs è Command Prompt - and key-in the following command

ipconfig /all

The output could look somehing like

Windows IP configuration

Ethernet adapter Local Area Connection:
             IP Address ........ : 192.168.0.154
             Subnet Mask ....... : 255.255.255.0
             Default Gateway ... : 192.168.0.1
             Adapter Name ...... : SDCCF10G1
             Description ....... : SDCCF10G1
             Adapter Index ..... : 393218
             Address............ : 00 17 23 00 16 8b
             DHCP Enabled....... : YES
             DHCP Server........ : 192.168.0.1
             Primary WinsServer  :
             Secondary WinsServer:
             Lease obtained on   : Friday, February 25 ,2011 13 : 41 : 6 
             Lease expires on    : Friday, March 4 ,2011 13 : 41 : 6 
             AutoConfig Enabled  : NO

PPP Adapter [USB Cable]:
             IP Address ........ : 192.168.55.101
             Subnet Mask ....... : 255.255.255.0
             Default Gateway ... : 192.168.55.100
             Adapter Name ...... : USB Cable
             Description ....... :
             Adapter Index ..... : 393219
             Address............ : 00 00 00 00 00 00
             DHCP Enabled....... : NO

Ethernet adapter Local Area Connection:
             IP Address ........ : 0.0.0.0
             Subnet Mask ....... : 0.0.0.0
             Adapter Name ...... : LANNDS1
             Description ....... : LANNDS1
             Adapter Index ..... : 393220
             Address............ : 00 90 96 cd eb 52
             DHCP Enabled....... : YES
             DHCP Server........ :
             Primary WinsServer  :
             Secondary WinsServer:
             Lease obtained on   : Friday, February 25 ,2011 13 : 41 : 6 
             Lease expires on    : Friday, March 4 ,2011 13 : 41 : 6 
             AutoConfig Enabled  : YES

             Host name.......... : WORKABOUTPRO
             Domain Name........ :
             DNS Servers........ : 24.200.241.37
                                   192.168.0.1
                                   127.0.0.1
             NODETYPE........... :  8
             Routing Enabled.... :  NO
             Proxy Enabled...... :  NO

vvvv

As Pocket Commander is not available on Windows Mobile devices, feel free to use one of the below applications to retrieve similar information:

 [C++] Get Adapter Info (WM 6.x executable)

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 [C#] Get Adapter Info (WM 6.x executable)