Who owns MAC prefix 2839E7?

2839E7 is registered to Preceno Technology Pte.Ltd. in the IEEE MA-L registry.

What devices use 2839E7?

Any network device with a MAC address starting 28:39:E7 was manufactured by or for Preceno Technology Pte.Ltd..

MA-L · OUI prefix

Preceno Technology Pte.Ltd.

Any MAC address starting 28:39:E7 is registered to Preceno Technology Pte.Ltd. in TW.

OUI prefix	2839E7
Vendor	Preceno Technology Pte.Ltd.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	28:39:E7:00:00:00

What this means

The IEEE assigned the MA-L block 2839E7 to Preceno Technology Pte.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 28:39:E7, it is Preceno Technology Pte.Ltd. hardware.

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