What devices use 48E663B?

Any network device with a MAC address starting 48:E6:63:B was manufactured by or for Nakamura-Tome Precision Industry Co.,Ltd..

MA-M · OUI prefix

Nakamura-Tome Precision Industry Co.,Ltd.

Q: Who owns MAC prefix 48E663B?

48E663B is registered to Nakamura-Tome Precision Industry Co.,Ltd. in the IEEE MA-M registry.

Any MAC address starting 48:E6:63:B is registered to Nakamura-Tome Precision Industry Co.,Ltd. in JP.

OUI prefix	48E663B
Vendor	Nakamura-Tome Precision Industry Co.,Ltd.
Registry	MA-M (28-bit, medium block)
Country	JP
Example MAC	48:E6:63:B:00:00:00

What this means

The IEEE assigned the MA-M block 48E663B to Nakamura-Tome Precision Industry 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 48:E6:63:B, it is Nakamura-Tome Precision Industry Co.,Ltd. hardware.

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