Who owns MAC prefix 280FC5?

280FC5 is registered to Beijing Leadsec Technology Co., Ltd. in the IEEE MA-L registry.

What devices use 280FC5?

Any network device with a MAC address starting 28:0F:C5 was manufactured by or for Beijing Leadsec Technology Co., Ltd..

MA-L · OUI prefix

Beijing Leadsec Technology Co., Ltd.

Any MAC address starting 28:0F:C5 is registered to Beijing Leadsec Technology Co., Ltd. in CN.

OUI prefix	280FC5
Vendor	Beijing Leadsec Technology Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	28:0F:C5:00:00:00

What this means

The IEEE assigned the MA-L block 280FC5 to Beijing Leadsec 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 28:0F:C5, it is Beijing Leadsec Technology Co., Ltd. hardware.

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