What this means
The IEEE assigned the MA-L block B0C090 to Chicony Electronics 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 B0:C0:90, it is Chicony Electronics Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix B0C090?
B0C090 is registered to Chicony Electronics 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. Chicony Electronics Co., Ltd.'s block covers 16,777,216 addresses.
What devices use B0C090?
Any network device with a MAC address starting B0:C0:90 was manufactured by or for Chicony Electronics Co., Ltd..