What this means
The IEEE assigned the MA-L block C86CB6 to Optcom 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 C8:6C:B6, it is Optcom Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix C86CB6?
C86CB6 is registered to Optcom 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. Optcom Co., Ltd.'s block covers 16,777,216 addresses.
What devices use C86CB6?
Any network device with a MAC address starting C8:6C:B6 was manufactured by or for Optcom Co., Ltd..