What devices use 70B3D5F9E?

Any network device with a MAC address starting 70:B3:D5:F9:E was manufactured by or for International Center for Elementary Particle Physics, The University of Tokyo.

MA-S · OUI prefix

International Center for Elementary Particle Physics, The University of Tokyo

Q: Who owns MAC prefix 70B3D5F9E?

70B3D5F9E is registered to International Center for Elementary Particle Physics, The University of Tokyo in the IEEE MA-S registry.

Any MAC address starting 70:B3:D5:F9:E is registered to International Center for Elementary Particle Physics, The University of Tokyo in JP.

OUI prefix	70B3D5F9E
Vendor	International Center for Elementary Particle Physics, The University of Tokyo
Registry	MA-S (36-bit, small block)
Country	JP
Example MAC	70:B3:D5:F9:E:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5F9E to International Center for Elementary Particle Physics, The University of Tokyo. 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:F9:E, it is International Center for Elementary Particle Physics, The University of Tokyo hardware.

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