What this means
The IEEE assigned the MA-L block 001B4D to Areca Technology Corporation. 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 00:1B:4D, it is Areca Technology Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix 001B4D?
001B4D is registered to Areca Technology Corporation 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. Areca Technology Corporation's block covers 16,777,216 addresses.
What devices use 001B4D?
Any network device with a MAC address starting 00:1B:4D was manufactured by or for Areca Technology Corporation.