What this means
The IEEE assigned the MA-L block BCB181 to SHARP CORPORATION. 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 BC:B1:81, it is SHARP CORPORATION hardware.
Frequently Asked Questions
Who owns MAC prefix BCB181?
BCB181 is registered to SHARP CORPORATION 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. SHARP CORPORATION's block covers 16,777,216 addresses.
What devices use BCB181?
Any network device with a MAC address starting BC:B1:81 was manufactured by or for SHARP CORPORATION.