Who owns MAC prefix 78D004?

78D004 is registered to Neousys Technology Inc. in the IEEE MA-L registry.

What devices use 78D004?

Any network device with a MAC address starting 78:D0:04 was manufactured by or for Neousys Technology Inc..

MA-L · OUI prefix

Neousys Technology Inc.

Any MAC address starting 78:D0:04 is registered to Neousys Technology Inc. in TW.

OUI prefix	78D004
Vendor	Neousys Technology Inc.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	78:D0:04:00:00:00

What this means

The IEEE assigned the MA-L block 78D004 to Neousys Technology Inc.. 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:D0:04, it is Neousys Technology Inc. hardware.

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