What devices use 70B3D5F37?

Any network device with a MAC address starting 70:B3:D5:F3:7 was manufactured by or for Mitsubishi Electric Micro-Computer Application Software Co.,Ltd..

MA-S · OUI prefix

Mitsubishi Electric Micro-Computer Application Software Co.,Ltd.

Q: Who owns MAC prefix 70B3D5F37?

70B3D5F37 is registered to Mitsubishi Electric Micro-Computer Application Software Co.,Ltd. in the IEEE MA-S registry.

Any MAC address starting 70:B3:D5:F3:7 is registered to Mitsubishi Electric Micro-Computer Application Software Co.,Ltd. in JP.

OUI prefix	70B3D5F37
Vendor	Mitsubishi Electric Micro-Computer Application Software Co.,Ltd.
Registry	MA-S (36-bit, small block)
Country	JP
Example MAC	70:B3:D5:F3:7:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5F37 to Mitsubishi Electric Micro-Computer Application Software Co.,Ltd.. 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:F3:7, it is Mitsubishi Electric Micro-Computer Application Software Co.,Ltd. hardware.

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