Who owns MAC prefix 28BC56?

28BC56 is registered to EMAC, Inc. in the IEEE MA-L registry.

What devices use 28BC56?

Any network device with a MAC address starting 28:BC:56 was manufactured by or for EMAC, Inc..

MA-L · OUI prefix

EMAC, Inc.

Any MAC address starting 28:BC:56 is registered to EMAC, Inc. in US.

OUI prefix	28BC56
Vendor	EMAC, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	28:BC:56:00:00:00

What this means

The IEEE assigned the MA-L block 28BC56 to EMAC, 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 28:BC:56, it is EMAC, Inc. hardware.

Other EMAC, Inc. prefixes

EMAC, Inc. holds 5 registered blocks in total.

70B3D5654 70B3D5679 70B3D5729 70B3D58AB

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