What this means
The IEEE assigned the MA-L block 78055F to Shenzhen WYC 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 78:05:5F, it is Shenzhen WYC Technology Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 78055F?
78055F is registered to Shenzhen WYC Technology Co., Ltd. in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Shenzhen WYC Technology Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 78055F?
Any network device with a MAC address starting 78:05:5F was manufactured by or for Shenzhen WYC Technology Co., Ltd..