Who owns MAC prefix 001F4B?

001F4B is registered to Lineage Power in the IEEE MA-L registry.

What devices use 001F4B?

Any network device with a MAC address starting 00:1F:4B was manufactured by or for Lineage Power.

MA-L · OUI prefix

Lineage Power

Any MAC address starting 00:1F:4B is registered to Lineage Power in US.

OUI prefix	001F4B
Vendor	Lineage Power
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:1F:4B:00:00:00

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.

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