What this means
The IEEE assigned the MA-S block 8C1F64B67 to M2M craft 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 8C:1F:64:B6:7, it is M2M craft Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F64B67?
8C1F64B67 is registered to M2M craft Co., Ltd. in the IEEE MA-S registry.
What does the MA-S registry type mean?
An MA-S assignment, formerly called OUI-36, covers 36 bits, giving the vendor 4,096 device addresses, the smallest block the IEEE issues. M2M craft Co., Ltd.'s block covers 4,096 addresses.
What devices use 8C1F64B67?
Any network device with a MAC address starting 8C:1F:64:B6:7 was manufactured by or for M2M craft Co., Ltd..