EUI-48 or EUI-64 Medium Access Control (MAC) address information lookup .

Ethernet interfaces, 802.11 wireless network interfaces,Bluetooth interfaces , ATM iterfaces, IEEE 802.5 token ring interfaces ,and FDDI interfaces are some of the devices that are using EUI-48 MAC addresses.

EUI-64 addresses are used among others in Firewire interfaces, IPv6 automatic interface addressing, and IEEE 802.15.4 - Zingbee addressing.

Examples:
!mac 00:00:0C:15:C0:00
!mac 02-05-85-ff-fe-ab-cd-ef
!mac 00-05-bB-01-02-03
!mac 00:00:1A
!mac 00-00-49-50-51-52
!mac 00-00:75
!mac 00:00:af:00:00:00:00:1
!mac 00-00-8F
!mac 00-01-10
!mac 00-05-69
!mac FC:D4:F2:C0:CA:CE
!mac 0A:62:66:FF:FE:BE:13:37
!mac 52:54:00:50:60:70
!mac 00:16:3e:19:80:44


  
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