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Physical Address

Find your Computer's Physical Address

Instructions on how to locate the physical address on your wireless device or PDA.

Windows 2000 and Windows XP:

1. Click on the Start button
2. Select Run folder
3. Then enter cmd.exe
4. At the command prompt type ipconfig /all and press Enter
5. Record the number that appears in the Physical Address field. This is 12 hexadecimal digits (digits 0-9 letter a-f) in six pairs of digits separated by dashes ( e.g., 01-23-45-67-89-ab )

Windows 95/98:

1. Click on the Start button
2. Select Run
3. In the dialog box type winipcfg and press OK. If a message dialog box appears stating that winipcfg could not be found, you probably need to install the TCP/IP networking component which contains the winipcfg program.
4. If you also have a modem installed, make sure the pull-down list for the first item is set to your Ethernet Adapter and not the PPP Adapter .
5. Record the number that appears in the Adapter Address field. This is 12 hexadecimal digits (digits 0-9 letter a-f) in six pairs of digits separated by colons ( e.g., 01:23:45:67:89:ab ).

Windows NT:

1. Click on the Start button and
2. Select the Programs folder
3. Then select Command Prompt
4. At the command prompt type ipconfig /all and press Enter. If a message appears stating that 'ipconfig' could not be found, TCP/IP networking needs to be installed.
5. Record the number that appears in the Physical Address field. This is 12 hexadecimal digits (digits 0-9 letter a-f) in six pairs of digits separated by colons ( e.g., 01:23:45:67:89:ab ).

MAC/OS: For MAC OSX and later:

1. Open System Preferences
2. Select network icon
3. Select show to Built-in Ethernet
4. Choose TCP/IP tab
5. Ethernet Address is located in bottom left corner of the window and should look something like this. 00:01:02:03:AB:CD

For MAC OS8 and later:

1. From the Apple menu select Control Panels
2. Select TCP/IP. The TCP/IP control panel should now open
3. Set the Connect Via field to Ethernet
4. Select Get Info from the File menu. The TCP/IP info box wil now open
5. Record the number. This is 12 hexadecimal digits (digits 0-9 letter a-f) in six pairs of digits separated by colons ( e.g., 01:23:45:67:89:ab ).

For prior to Mac OS8:

1. From the Apple menu select Control Panels
2. Select MacTCP. The MacTCP control panel should now open
3. Select the Ethernet icon while holding down the option key
4. The hardware address will appear under the ethernet icon This is 12 hexadecimal digits with no spaces.

Linux:

1. In a terminal window, type /sbin/ifconfig eth0.
2. Record the information after characters HWaddr. This is 12 hexadecimal digits (digits 0-9 letter a-f) in six pairs of digits separated by colons ( e.g., 01:23:45:67:89:ab ).

OS/2:

1. Open an OS/2 window
2. Type netstat -n
3. Record the information to the right of the label Physical address This is 12 hexadecimal digits (digits 0-9 letters a-f).

Solaris:

1. In a terminal window type /usr/sbin/arp 'hostname'
2. You should see output like hostname (123.456.789.012) at 8:0:20:1b:d4:52 permanent published
3. Record the information after the word at . This is 12 hexadecimal digits (digits 0-9 letters a-f) in six pairs of digits separated by colons ( e.g. 1:23:45:67:89:ab ). Note leading zeros in a pair of digits are supressed.

AIX:

1. In a terminal window, type /bin/netstat -v or /bin/netstat en0.
2. Record the information on the line that begins with Hardware Address:. This is 12 hexadecimal digits (digits 0-9 letter a-f) in six pairs of digits separated by colons ( e.g., 01:23:45:67:89:ab ).