What this means
The IEEE assigned the MA-L block 001F4B to Lineage Power. 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 00:1F:4B, it is Lineage Power hardware.
Frequently Asked Questions
Who owns MAC prefix 001F4B?
001F4B is registered to Lineage Power 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. Lineage Power's block covers 16,777,216 addresses.
What devices use 001F4B?
Any network device with a MAC address starting 00:1F:4B was manufactured by or for Lineage Power.