What this means
The IEEE assigned the MA-L block D45B51 to Motorola Mobility LLC, a Lenovo Company. 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 D4:5B:51, it is Motorola Mobility LLC, a Lenovo Company hardware.
Frequently Asked Questions
Who owns MAC prefix D45B51?
D45B51 is registered to Motorola Mobility LLC, a Lenovo Company 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. Motorola Mobility LLC, a Lenovo Company's block covers 16,777,216 addresses.
What devices use D45B51?
Any network device with a MAC address starting D4:5B:51 was manufactured by or for Motorola Mobility LLC, a Lenovo Company.