Who owns MAC prefix 70B3D5AF1?

70B3D5AF1 is registered to Emka Technologies in the IEEE MA-S registry.

What devices use 70B3D5AF1?

Any network device with a MAC address starting 70:B3:D5:AF:1 was manufactured by or for Emka Technologies.

MA-S · OUI prefix

Emka Technologies

Any MAC address starting 70:B3:D5:AF:1 is registered to Emka Technologies in FR.

OUI prefix	70B3D5AF1
Vendor	Emka Technologies
Registry	MA-S (36-bit, small block)
Country	FR
Example MAC	70:B3:D5:AF:1:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5AF1 to Emka Technologies. 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:AF:1, it is Emka Technologies hardware.

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