What this means
The IEEE assigned the MA-L block 000CE3 to Option International N.V.. 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:E3, it is Option International N.V. hardware.
Frequently Asked Questions
Who owns MAC prefix 000CE3?
000CE3 is registered to Option International N.V. 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. Option International N.V.'s block covers 16,777,216 addresses.
What devices use 000CE3?
Any network device with a MAC address starting 00:0C:E3 was manufactured by or for Option International N.V..