Who owns MAC prefix 70B3D559E?

70B3D559E is registered to i2-electronics in the IEEE MA-S registry.

What devices use 70B3D559E?

Any network device with a MAC address starting 70:B3:D5:59:E was manufactured by or for i2-electronics.

MA-S · OUI prefix

i2-electronics

Any MAC address starting 70:B3:D5:59:E is registered to i2-electronics in JP.

OUI prefix	70B3D559E
Vendor	i2-electronics
Registry	MA-S (36-bit, small block)
Country	JP
Example MAC	70:B3:D5:59:E:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D559E to i2-electronics. 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:D5:59:E, it is i2-electronics hardware.

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