Who owns MAC prefix 000A5B?

000A5B is registered to Power-One as in the IEEE MA-L registry.

What devices use 000A5B?

Any network device with a MAC address starting 00:0A:5B was manufactured by or for Power-One as.

MA-L · OUI prefix

Power-One as

Any MAC address starting 00:0A:5B is registered to Power-One as in NO.

OUI prefix	000A5B
Vendor	Power-One as
Registry	MA-L (24-bit, large block)
Country	NO
Example MAC	00:0A:5B:00:00:00

What this means

The IEEE assigned the MA-L block 000A5B to Power-One as. 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 00:0A:5B, it is Power-One as hardware.

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