Who owns MAC prefix 000A9B?

000A9B is registered to TB Group Inc in the IEEE MA-L registry.

What devices use 000A9B?

Any network device with a MAC address starting 00:0A:9B was manufactured by or for TB Group Inc.

MA-L · OUI prefix

TB Group Inc

Any MAC address starting 00:0A:9B is registered to TB Group Inc in JP.

OUI prefix	000A9B
Vendor	TB Group Inc
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:0A:9B:00:00:00

What this means

The IEEE assigned the MA-L block 000A9B to TB Group 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 00:0A:9B, it is TB Group Inc hardware.

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