What this means
The IEEE assigned the MA-L block 78152D to UNION CHIP 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 78:15:2D, it is UNION CHIP TECHNOLOGY LIMITED hardware.
Frequently Asked Questions
Who owns MAC prefix 78152D?
78152D is registered to UNION CHIP 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. UNION CHIP TECHNOLOGY LIMITED's block covers 16,777,216 addresses.
What devices use 78152D?
Any network device with a MAC address starting 78:15:2D was manufactured by or for UNION CHIP TECHNOLOGY LIMITED.