Who owns MAC prefix BC4E3C?

BC4E3C is registered to CORE STAFF CO., LTD. in the IEEE MA-L registry.

What devices use BC4E3C?

Any network device with a MAC address starting BC:4E:3C was manufactured by or for CORE STAFF CO., LTD..

MA-L · OUI prefix

CORE STAFF CO., LTD.

Any MAC address starting BC:4E:3C is registered to CORE STAFF CO., LTD. in JP.

OUI prefix	BC4E3C
Vendor	CORE STAFF CO., LTD.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	BC:4E:3C:00:00:00

What this means

The IEEE assigned the MA-L block BC4E3C to CORE STAFF 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 BC:4E:3C, it is CORE STAFF CO., LTD. hardware.

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