Who owns MAC prefix 001442?

001442 is registered to ATTO CORPORATION in the IEEE MA-L registry.

What devices use 001442?

Any network device with a MAC address starting 00:14:42 was manufactured by or for ATTO CORPORATION.

MA-L · OUI prefix

ATTO CORPORATION

Any MAC address starting 00:14:42 is registered to ATTO CORPORATION in JP.

OUI prefix	001442
Vendor	ATTO CORPORATION
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:14:42:00:00:00

What this means

The IEEE assigned the MA-L block 001442 to ATTO CORPORATION. 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 00:14:42, it is ATTO CORPORATION hardware.

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