What this means
The IEEE assigned the MA-M block F81D780 to Dongguan Shun Hing Plastics 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 F8:1D:78:0, it is Dongguan Shun Hing Plastics Limited hardware.
Frequently Asked Questions
Who owns MAC prefix F81D780?
F81D780 is registered to Dongguan Shun Hing Plastics Limited in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Dongguan Shun Hing Plastics Limited's block covers 1,048,576 addresses.
What devices use F81D780?
Any network device with a MAC address starting F8:1D:78:0 was manufactured by or for Dongguan Shun Hing Plastics Limited.