Who owns MAC prefix 0040AB?

0040AB is registered to ROLAND DG CORPORATION in the IEEE MA-L registry.

What devices use 0040AB?

Any network device with a MAC address starting 00:40:AB was manufactured by or for ROLAND DG CORPORATION.

MA-L · OUI prefix

ROLAND DG CORPORATION

Any MAC address starting 00:40:AB is registered to ROLAND DG CORPORATION in JP.

OUI prefix	0040AB
Vendor	ROLAND DG CORPORATION
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:40:AB:00:00:00

What this means

The IEEE assigned the MA-L block 0040AB to ROLAND DG 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 00:40:AB, it is ROLAND DG CORPORATION hardware.

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