What this means
The IEEE assigned the MA-L block 001B82 to Taiwan Semiconductor 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 00:1B:82, it is Taiwan Semiconductor Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 001B82?
001B82 is registered to Taiwan Semiconductor 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. Taiwan Semiconductor Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 001B82?
Any network device with a MAC address starting 00:1B:82 was manufactured by or for Taiwan Semiconductor Co., Ltd..