Who owns MAC prefix 0009B5?

0009B5 is registered to 3J Tech. Co., Ltd. in the IEEE MA-L registry.

What devices use 0009B5?

Any network device with a MAC address starting 00:09:B5 was manufactured by or for 3J Tech. Co., Ltd..

MA-L · OUI prefix

3J Tech. Co., Ltd.

Any MAC address starting 00:09:B5 is registered to 3J Tech. Co., Ltd. in TW.

OUI prefix	0009B5
Vendor	3J Tech. Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	00:09:B5:00:00:00

What this means

The IEEE assigned the MA-L block 0009B5 to 3J Tech. Co., Ltd.. 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 00:09:B5, it is 3J Tech. Co., Ltd. hardware.

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