What this means
The IEEE assigned the MA-L block 00181B to TaiJin Metal 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 00:18:1B, it is TaiJin Metal Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 00181B?
00181B is registered to TaiJin Metal 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. TaiJin Metal Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 00181B?
Any network device with a MAC address starting 00:18:1B was manufactured by or for TaiJin Metal Co., Ltd..