What this means
The IEEE assigned the MA-L block A4466B to EOC Technology. 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 A4:46:6B, it is EOC Technology hardware.
Frequently Asked Questions
Who owns MAC prefix A4466B?
A4466B is registered to EOC Technology 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. EOC Technology's block covers 16,777,216 addresses.
What devices use A4466B?
Any network device with a MAC address starting A4:46:6B was manufactured by or for EOC Technology.