Who owns MAC prefix 00056B?

00056B is registered to C.P. Technology Co., Ltd. in the IEEE MA-L registry.

What devices use 00056B?

Any network device with a MAC address starting 00:05:6B was manufactured by or for C.P. Technology Co., Ltd..

MA-L · OUI prefix

C.P. Technology Co., Ltd.

Any MAC address starting 00:05:6B is registered to C.P. Technology Co., Ltd. in TW.

OUI prefix	00056B
Vendor	C.P. Technology Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	00:05:6B:00:00:00

What this means

The IEEE assigned the MA-L block 00056B to C.P. Technology 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 00:05:6B, it is C.P. Technology Co., Ltd. hardware.

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