Who owns MAC prefix 78D99F?

78D99F is registered to NuCom HK Ltd. in the IEEE MA-L registry.

What devices use 78D99F?

Any network device with a MAC address starting 78:D9:9F was manufactured by or for NuCom HK Ltd..

MA-L · OUI prefix

NuCom HK Ltd.

Any MAC address starting 78:D9:9F is registered to NuCom HK Ltd. in CN.

OUI prefix	78D99F
Vendor	NuCom HK Ltd.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	78:D9:9F:00:00:00

What this means

The IEEE assigned the MA-L block 78D99F to NuCom HK 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 78:D9:9F, it is NuCom HK Ltd. hardware.

Look up another MAC