What this means
The IEEE assigned the MA-L block 74042B to Lenovo Mobile Communication (Wuhan) Company Limited. 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 74:04:2B, it is Lenovo Mobile Communication (Wuhan) Company Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 74042B?
74042B is registered to Lenovo Mobile Communication (Wuhan) Company Limited 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. Lenovo Mobile Communication (Wuhan) Company Limited's block covers 16,777,216 addresses.
What devices use 74042B?
Any network device with a MAC address starting 74:04:2B was manufactured by or for Lenovo Mobile Communication (Wuhan) Company Limited.