What this means
The IEEE assigned the MA-L block 78D38D to HONGKONG YUNLINK TECHNOLOGY LIMITED. 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 78:D3:8D, it is HONGKONG YUNLINK TECHNOLOGY LIMITED hardware.
Frequently Asked Questions
Who owns MAC prefix 78D38D?
78D38D is registered to HONGKONG YUNLINK TECHNOLOGY LIMITED 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. HONGKONG YUNLINK TECHNOLOGY LIMITED's block covers 16,777,216 addresses.
What devices use 78D38D?
Any network device with a MAC address starting 78:D3:8D was manufactured by or for HONGKONG YUNLINK TECHNOLOGY LIMITED.