Who owns MAC prefix 6891D01?

6891D01 is registered to Multi Alarm Zrt. in the IEEE MA-M registry.

What devices use 6891D01?

Any network device with a MAC address starting 68:91:D0:1 was manufactured by or for Multi Alarm Zrt..

MA-M · OUI prefix

Multi Alarm Zrt.

Any MAC address starting 68:91:D0:1 is registered to Multi Alarm Zrt. in HU.

OUI prefix	6891D01
Vendor	Multi Alarm Zrt.
Registry	MA-M (28-bit, medium block)
Country	HU
Example MAC	68:91:D0:1:00:00:00

What this means

The IEEE assigned the MA-M block 6891D01 to Multi Alarm Zrt.. 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:D0:1, it is Multi Alarm Zrt. hardware.

Look up another MAC