Who owns MAC prefix 70B3D5A43?

70B3D5A43 is registered to OLEDCOMM in the IEEE MA-S registry.

What devices use 70B3D5A43?

Any network device with a MAC address starting 70:B3:D5:A4:3 was manufactured by or for OLEDCOMM.

MA-S · OUI prefix

OLEDCOMM

Any MAC address starting 70:B3:D5:A4:3 is registered to OLEDCOMM in FR.

OUI prefix	70B3D5A43
Vendor	OLEDCOMM
Registry	MA-S (36-bit, small block)
Country	FR
Example MAC	70:B3:D5:A4:3:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5A43 to OLEDCOMM. 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:A4:3, it is OLEDCOMM hardware.

Other OLEDCOMM prefixes

OLEDCOMM holds 3 registered blocks in total.

70B3D57D3 C0EAC39

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