Who owns MAC prefix 78CA834?

78CA834 is registered to Pinhole (Beijing) Technology Co., Ltd. in the IEEE MA-M registry.

What devices use 78CA834?

Any network device with a MAC address starting 78:CA:83:4 was manufactured by or for Pinhole (Beijing) Technology Co., Ltd..

MA-M · OUI prefix

Pinhole (Beijing) Technology Co., Ltd.

Any MAC address starting 78:CA:83:4 is registered to Pinhole (Beijing) Technology Co., Ltd. in CN.

OUI prefix	78CA834
Vendor	Pinhole (Beijing) Technology Co., Ltd.
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	78:CA:83:4:00:00:00

What this means

The IEEE assigned the MA-M block 78CA834 to Pinhole (Beijing) 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 78:CA:83:4, it is Pinhole (Beijing) Technology Co., Ltd. hardware.

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