What this means
The IEEE assigned the MA-L block D4C1A8 to KYKXCOM 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 D4:C1:A8, it is KYKXCOM Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix D4C1A8?
D4C1A8 is registered to KYKXCOM 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. KYKXCOM Co., Ltd.'s block covers 16,777,216 addresses.
What devices use D4C1A8?
Any network device with a MAC address starting D4:C1:A8 was manufactured by or for KYKXCOM Co., Ltd..