Who owns MAC prefix 000A3A?

000A3A is registered to J-THREE INTERNATIONAL Holding Co., Ltd. in the IEEE MA-L registry.

What devices use 000A3A?

Any network device with a MAC address starting 00:0A:3A was manufactured by or for J-THREE INTERNATIONAL Holding Co., Ltd..

MA-L · OUI prefix

J-THREE INTERNATIONAL Holding Co., Ltd.

Any MAC address starting 00:0A:3A is registered to J-THREE INTERNATIONAL Holding Co., Ltd. in TW.

OUI prefix	000A3A
Vendor	J-THREE INTERNATIONAL Holding Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	00:0A:3A:00:00:00

What this means

The IEEE assigned the MA-L block 000A3A to J-THREE INTERNATIONAL Holding 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 00:0A:3A, it is J-THREE INTERNATIONAL Holding Co., Ltd. hardware.

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