Who owns MAC prefix 70B3D560F?

70B3D560F is registered to Tanaka Information System, LLC. in the IEEE MA-S registry.

What devices use 70B3D560F?

Any network device with a MAC address starting 70:B3:D5:60:F was manufactured by or for Tanaka Information System, LLC..

MA-S · OUI prefix

Tanaka Information System, LLC.

Any MAC address starting 70:B3:D5:60:F is registered to Tanaka Information System, LLC. in JP.

OUI prefix	70B3D560F
Vendor	Tanaka Information System, LLC.
Registry	MA-S (36-bit, small block)
Country	JP
Example MAC	70:B3:D5:60:F:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D560F to Tanaka Information System, LLC.. 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:D5:60:F, it is Tanaka Information System, LLC. hardware.

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