Who owns MAC prefix 500B919?

500B919 is registered to Machfu, Inc. in the IEEE MA-M registry.

What devices use 500B919?

Any network device with a MAC address starting 50:0B:91:9 was manufactured by or for Machfu, Inc..

MA-M · OUI prefix

Machfu, Inc.

Any MAC address starting 50:0B:91:9 is registered to Machfu, Inc. in US.

OUI prefix	500B919
Vendor	Machfu, Inc.
Registry	MA-M (28-bit, medium block)
Country	US
Example MAC	50:0B:91:9:00:00:00

What this means

The IEEE assigned the MA-M block 500B919 to Machfu, 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 50:0B:91:9, it is Machfu, Inc. hardware.

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