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Windows - Find MAC Address

Problem: How do I find my IP address, MAC Address or check my network configuration?

Operating Systems: Windows XP, 2000, ME, 98, & NT

IPConfig Utility (Windows 98/ME/XP/2000/NT)
Winipcfg Graphical Tool (Windows 95/98)
Getmac Utility (Windows XP)

IPConfig Utility

Most versions of Windows allow you to view detailed network configuration information with the ipconfig utility. This utility will show your IP address, MAC address (also known as the physical or hardware address), and DNS servers in addition to other information.

To use the ipconfig utility, go to the Start button. Select Run.

Enter command into the Open box and click OK. This will open the MS-DOS (Command) Prompt window.

Microsoft(R) Windows 98
(C)Copyright Microsoft Corp 1981-1999.

C:\WINDOWS\Desktop>

Enter ipconfig and press Enter. You should see something similar to the output below.

Example: Dialup Connection (Windows XP)

C:\WINDOWS\Desktop>ipconfig

Windows IP Configuration

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . : expedient.net
IP Address. . . . . . . . . . . . : 216.151.124.X
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 216.151.124.1

PPP adapter Dialup Stargate:

Connection-specific DNS Suffix . :
IP Address. . . . . . . . . . . . : 209.166.149.121
Subnet Mask . . . . . . . . . . . : 255.255.255.255
Default Gateway . . . . . . . . . : 209.166.149.121

Example: DSL Connection (Windows 98)

C:\WINDOWS\Desktop>ipconfig

Windows 98 IP Configuration

0 Ethernet adapter :

IP Address. . . . . . . . . : 0.0.0.0
Subnet Mask . . . . . . . . : 0.0.0.0
Default Gateway . . . . . . :

1 Ethernet adapter :

IP Address. . . . . . . . . : 192.168.1.15
Subnet Mask . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . : 192.168.1.1

Notice that the information shown depends on your version of Windows. In the Windows 98 example, 0 Ethernet adapter represents a dialup modem, and 1 Ethernet adapter represents the ethernet (network) card.

By using the ipconfig /all command, you can find out even more information about your configuration:

Example: Dialup Connection (Windows XP)

C:\WINDOWS\Desktop>ipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . : computer
Primary Dns Suffix . . . . . . :
Node Type . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . : No
WINS Proxy Enabled. . . . . . . : No

PPP adapter Dialup Stargate:

Connection-specific DNS Suffix :
Description . . . . . . . . . . : WAN (PPP/SLIP) Interface
Physical Address. . . . . . . . : 00-53-45-00-00-00
Dhcp Enabled. . . . . . . . . . : No
IP Address. . . . . . . . . . . : 209.166.149.130
Subnet Mask . . . . . . . . . . : 255.255.255.255
Default Gateway . . . . . . . . : 209.166.149.130
DNS Servers . . . . . . . . . . : 209.166.161.121
DNS Servers . . . . . . . . . . : 209.166.161.120
NetBIOS over Tcpip. . . . . . . : Disabled

Example: DSL Connection (Windows 98)

C:\WINDOWS\Desktop>ipconfig /all

Windows 98 IP Configuration

Host Name . . . . . . . . . : customer.expedient.net
DNS Servers . . . . . . . . : 209.166.160.45
DNS Servers . . . . . . . . : 209.166.160.46
Node Type . . . . . . . . . : Broadcast
NetBIOS Scope ID. . . . . . :
IP Routing Enabled. . . . . : No
WINS Proxy Enabled. . . . . : No
NetBIOS Resolution Uses DNS : Yes

1 Ethernet adapter :

Description . . . . . . . . : Fast Ethernet Adapter
Physical Address. . . . . . : 00-10-AF-EC-21-3C
DHCP Enabled. . . . . . . . : No
IP Address. . . . . . . . . : 192.168.1.15
Subnet Mask . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . : 192.168.1.1
Primary WINS Server . . . . :
Secondary WINS Server . . . :
Lease Obtained. . . . . . . :
Lease Expires . . . . . . . :

If you have multiple modems or network cards installed, you will see information for each one.

Winipcfg - Graphical Tool

Some versions of Windows also have a graphical tool that allows you to view this information:

Click the Start button and select Run. Enter winipcfg and click OK.

PPP Adapter is the information for your dialup connection. If you are not connected this information will be blank. The drop down menu allows you to switch between ethernet adapters.

The image above shows information for a DSL connection using a Fast Ethernet Adapter. For even more information about a connection, click the More Info button:

Windows XP - Getmac Command Line Tool

Note that Windows XP has a command line tool, "getmac", that will allow you to ascertain the MAC address. To use the "getmac" command:

Open a command window - go to Start > Run and type "command" into the field then click "OK".
Type getmac.

The MAC address will be noted on the column on the left under "Physical Address"

Example

C:\>getmac

Physical Address    Transport Name
=================== ==============================
00-D0-B7-B1-A7-14   \Device\Tcpip_{474E507B-4FCD-428C-A553-304B997C4D96}

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