What this means
The IEEE assigned the MA-L block 64CDF1 to KO & AL 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 64:CD:F1, it is KO & AL Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 64CDF1?
64CDF1 is registered to KO & AL 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. KO & AL Co., Ltd's block covers 16,777,216 addresses.
What devices use 64CDF1?
Any network device with a MAC address starting 64:CD:F1 was manufactured by or for KO & AL Co., Ltd.