What this means
The IEEE assigned the MA-L block 384712 to Luxottica Tristar (Dongguan) Optical Co.,Ltd. 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 38:47:12, it is Luxottica Tristar (Dongguan) Optical Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 384712?
384712 is registered to Luxottica Tristar (Dongguan) Optical Co.,Ltd 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. Luxottica Tristar (Dongguan) Optical Co.,Ltd's block covers 16,777,216 addresses.
What devices use 384712?
Any network device with a MAC address starting 38:47:12 was manufactured by or for Luxottica Tristar (Dongguan) Optical Co.,Ltd.