Who owns MAC prefix 34D7F55?

34D7F55 is registered to Acellent Technologies, Inc. in the IEEE MA-M registry.

What devices use 34D7F55?

Any network device with a MAC address starting 34:D7:F5:5 was manufactured by or for Acellent Technologies, Inc..

MA-M · OUI prefix

Acellent Technologies, Inc.

Any MAC address starting 34:D7:F5:5 is registered to Acellent Technologies, Inc. in US.

OUI prefix	34D7F55
Vendor	Acellent Technologies, Inc.
Registry	MA-M (28-bit, medium block)
Country	US
Example MAC	34:D7:F5:5:00:00:00

What this means

The IEEE assigned the MA-M block 34D7F55 to Acellent Technologies, 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 34:D7:F5:5, it is Acellent Technologies, Inc. hardware.

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