Who owns MAC prefix 6891D0B?

6891D0B is registered to Altis Technology in the IEEE MA-M registry.

What devices use 6891D0B?

Any network device with a MAC address starting 68:91:D0:B was manufactured by or for Altis Technology.

MA-M · OUI prefix

Altis Technology

Any MAC address starting 68:91:D0:B is registered to Altis Technology in HK.

OUI prefix	6891D0B
Vendor	Altis Technology
Registry	MA-M (28-bit, medium block)
Country	HK
Example MAC	68:91:D0:B:00:00:00

What this means

The IEEE assigned the MA-M block 6891D0B to Altis Technology. 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 68:91:D0:B, it is Altis Technology hardware.

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