What this means
The IEEE assigned the MA-L block 5CD20B to Yytek 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 5C:D2:0B, it is Yytek Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 5CD20B?
5CD20B is registered to Yytek 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. Yytek Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 5CD20B?
Any network device with a MAC address starting 5C:D2:0B was manufactured by or for Yytek Co., Ltd..