Who owns MAC prefix 001B1A?

001B1A is registered to e-trees Japan, Inc. in the IEEE MA-L registry.

What devices use 001B1A?

Any network device with a MAC address starting 00:1B:1A was manufactured by or for e-trees Japan, Inc..

MA-L · OUI prefix

e-trees Japan, Inc.

Any MAC address starting 00:1B:1A is registered to e-trees Japan, Inc. in JP.

OUI prefix	001B1A
Vendor	e-trees Japan, Inc.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:1B:1A:00:00:00

What this means

The IEEE assigned the MA-L block 001B1A to e-trees Japan, Inc.. 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 00:1B:1A, it is e-trees Japan, Inc. hardware.

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