Who owns MAC prefix 70B3D5BC4?

70B3D5BC4 is registered to Digital Media Professionals in the IEEE MA-S registry.

What devices use 70B3D5BC4?

Any network device with a MAC address starting 70:B3:D5:BC:4 was manufactured by or for Digital Media Professionals.

MA-S · OUI prefix

Digital Media Professionals

Any MAC address starting 70:B3:D5:BC:4 is registered to Digital Media Professionals in JP.

OUI prefix	70B3D5BC4
Vendor	Digital Media Professionals
Registry	MA-S (36-bit, small block)
Country	JP
Example MAC	70:B3:D5:BC:4:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5BC4 to Digital Media Professionals. 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:BC:4, it is Digital Media Professionals hardware.

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