MAC or Media Access Control address is a hardware address that identifies each node on a network consisting of4 8 bits expressed as 12 hexadecimal digits. Unique to each network card
Windows NT/2000/2003/XP/7
- Open the command prompt (DOS prompt)
- From the command prompt type: ipconfig /all
- If the information scrolls off the screen you can type "ipconfig /all|more"
- Find the MAC address of network adapter. If this is a wired connection look under Ethernet adapter Local Area Connection:. If this is a wireless look under Ethernet adapter Wireless Network Connection:.
- Locate the number next to Physical Address. It will be something like: 00-07-E9-54-60-50. Example: ipconfig /all:
Windows IP Configuration:
Host Name . . . . . . . . . . . . : netcom
Primary Dns Suffix . . . . . . . : triumf.ca
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . : No
WINS Proxy Enabled. . . . . : No
DNS Suffix Search List. . . . : triumf.ca
Ethernet adapter Local Area Connection: <= This is the wired connection
Connection-specific DNS Suffix . : triumf.ca
Description . . . . . . . . . . . : Intel(R) PRO/100 VE Network Connection
Physical Address. . . . . . . : 00-07-E9-54-60-50
Ethernet adapter Wireless Network Connection: <= This is the wireless connection
Connection-specific DNS Suffix . : triumf.ca
Description . . . . . . . . . . . : Dell Wirless WLAN Card
Physical Address. . . . . . . : 00-02-2d-54-60-9c
Linux
- As the root user (or user with appropriate permissions)
- Type "ifconfig -a"
- From the displayed information, find eth0 (this is the default first Ethernet adapter)
- Locate the number next to the HWaddr. This is your MAC address
The MAC Address will be displayed in the form of 00:08:C7:1B:8C:02.
Example "ifconfig -a" output:eth0 Link encap:Ethernet HWaddr 00:08:C7:1B:8C:02 inet addr:192.168.111.20 Bcast:192.168.111.255 Mask:255.255.255.0 ...additional output removed...Solaris/SunOS
- As the root user (or user with appropriate permissions)
- Type "/sbin/ifconfig -a"
- From the displayed information, find the Ethernet adapter (it will probably be called le0 or ie0)
- Locate the number next to ether. This is your MAC address
The MAC Address will be displayed in the form of 0:3:ba:26:1:b0 -- leading zeros are removed. For this example, the actual MAC Address would be 00:03:ba:26:01:b0.
Example "ifconfig -a" output:le0: flags=863 mtu 1500 inet 192.168.111.30 netmask ffffff00 broadcast 192.168.111.255 ether 0:3:ba:26:1:b0FreeBSD/NetBSD
- As the root user (or user with appropriate permissions)
- Type "ifconfig -a"
- From the displayed information, find the Ethernet adapter (the name changes based on the Ethernet card installed)
- Locate the number next to the HWaddr. This is your MAC address
The MAC Address will be displayed in the form of 00:08:C7:1B:8C:02.
(Using the command"dmesg"will also display the MAC address -- along with a lot of other information)
Example "ifconfig -a" output: ed0: flags=8843 mtu 1500 inet 192.168.111.40 netmask 0xffffff00 broadcast 192.168.111.255 ether 00:08:C7:1B:8C:02 ...additional output removed...OpenBSD
- As the root user (or user with appropriate permissions)
- Type "netstat -in"
- From the displayed information, find the Ethernet adapter (the name changes based on the Ethernet card installed)
- Locate the number below Address. This is your MAC address
The MAC Address will be displayed in the form of 00:08:c7:1b:8c:02.
Example "netstat -in" output:Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Collsfxp0 1500 Link 00:08:c7:1b:8c:02 4112773 0 224501 0 0 ...additional output removed...Caldera/SCO UnixWare/OpenUNIX
- As the root user (or user with appropriate permissions)
- Type "ndstat"
- From the displayed information, find net0 (this is the default first Ethernet adapter)
- Locate the number below MAC Address in use. This is your MAC address
The MAC Address will be displayed in the form of 00:00:c0:88:0a:2e.
Example "ndstat" output: Device MAC address in use Factory MAC Address ------ ------------------ ------------------- /dev/net0 00:00:c0:88:0a:2e 00:00:c0:88:0a:2e ...additional output removed...HP-UX (HP UNIX)
- As the root user (or user with appropriate permissions)
- Type "/usr/sbin/lanscan"
- From the displayed information, find lan0 (this is the default first Ethernet adapter)
- Locate the number below Address. This is your MAC address
The MAC Address will be displayed in the form of 0x000E7F0D81D6 -- the leading hexadecimal indicator should be removed. For this example, the actual MAC Address would be 00:0E:7F:0D:81:D6.
Example "lanscan" output:Hardware Station Dev Hardware Net-Interface NM Encapsulation MjrPath Address lu State NameUnit State ID Methods Num2.0.2 0x000E7F0D81D6 0 UP lan0 UP 4 ETHER 52 ...additional output removed...IRIX (SGI UNIX)
- IRIX 4.01 or later
- As the root user (or user with appropriate permissions)
- Type "netstat -ia"
- From the displayed information, find the Ethernet adapter (the name changes based on the Ethernet card installed)
- Locate the number below Address. This is your MAC address
- Alternate Method
- Typing "/etc/nvram eaddr" should also show the MAC address
The MAC Address will be displayed in the form of 00:00:6b:71:1a:6a.
Example "netstat -ia" output:Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Collec0 1500 nowhere warum 6514913 10234 184317 0 13513 192.168.111.90 00:00:6b:71:1a:6a...additional output removed...NeXTStep
- As the root user (or user with appropriate permissions)
- Type "/sbin/ifconfig -a"
- From the displayed information, find the Ethernet adapter (it will probably be called le0 or ie0)
- Locate the number next to ether. This is your MAC address
The MAC Address will be displayed in the form of 0:0:f:a1:75:a0 -- leading zeros are removed. For this example, the actual MAC Address would be 00:00:0f:a1:75:a0.
Example "ifconfig -a" output:le0: flags=863 mtu 1500 inet 192.168.111.70 netmask ffffff00 broadcast 192.168.111.255 ether 0:0:f:a1:75:a0AIX (IBM UNIX)
- As the root user (or user with appropriate permissions)
- Type "netstat -ia"
- From the displayed information, find the Ethernet adapter (the name changes based on the Ethernet card installed)
- Locate the number below Address. This is your MAC address
The MAC Address will be displayed in the form of 00:09:6B:51:1f:79.
Example "netstat -ia" output:Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Collec0 1500 nowhere flotsam 5514233 11434 101317 0 14113 192.168.111.95 00:09:6B:51:1f:79...additional output removed...Tru64 UNIX (Digital UNIX)
- As the root user (or user with appropriate permissions)
- Type "netstat -ia"
- From the displayed information, find the Ethernet adapter (the name changes based on the Ethernet card installed)
- Locate the number below Address. This is your MAC address
The MAC Address will be displayed in the form of >00:00:F8:1a:73:da.
Example "netstat -ia" output:Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Collec0 1500 nowhere jetsam 5514233 11434 101317 0 14113 192.168.111.95 00:00:F8:1a:73:da...additional output removed...Link: NO link yet
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