What this means
The IEEE assigned the MA-L block 000CE1 to The Open Group. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 00:0C:E1, it is The Open Group hardware.
Frequently Asked Questions
Who owns MAC prefix 000CE1?
000CE1 is registered to The Open Group in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. The Open Group's block covers 16,777,216 addresses.
What devices use 000CE1?
Any network device with a MAC address starting 00:0C:E1 was manufactured by or for The Open Group.