Who owns MAC prefix 0CEFAFA?

0CEFAFA is registered to chengdu joyotime Technology Co., Ltd. in the IEEE MA-M registry.

What devices use 0CEFAFA?

Any network device with a MAC address starting 0C:EF:AF:A was manufactured by or for chengdu joyotime Technology Co., Ltd..

MA-M · OUI prefix

chengdu joyotime Technology Co., Ltd.

Any MAC address starting 0C:EF:AF:A is registered to chengdu joyotime Technology Co., Ltd. in CN.

OUI prefix	0CEFAFA
Vendor	chengdu joyotime Technology Co., Ltd.
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	0C:EF:AF:A:00:00:00

What this means

The IEEE assigned the MA-M block 0CEFAFA to chengdu joyotime 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 0C:EF:AF:A, it is chengdu joyotime Technology Co., Ltd. hardware.

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