Who owns MAC prefix 70B3D58AB?

70B3D58AB is registered to EMAC, Inc. in the IEEE MA-S registry.

What devices use 70B3D58AB?

Any network device with a MAC address starting 70:B3:D5:8A:B was manufactured by or for EMAC, Inc..

MA-S · OUI prefix

EMAC, Inc.

Any MAC address starting 70:B3:D5:8A:B is registered to EMAC, Inc. in US.

OUI prefix	70B3D58AB
Vendor	EMAC, Inc.
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	70:B3:D5:8A:B:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D58AB 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 70:B3:D5:8A:B, it is EMAC, Inc. hardware.

Other EMAC, Inc. prefixes

EMAC, Inc. holds 5 registered blocks in total.

28BC56 70B3D5654 70B3D5679 70B3D5729

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