Who owns MAC prefix 000A43?

000A43 is registered to Chunghwa Telecom Co., Ltd. in the IEEE MA-L registry.

What devices use 000A43?

Any network device with a MAC address starting 00:0A:43 was manufactured by or for Chunghwa Telecom Co., Ltd..

MA-L · OUI prefix

Chunghwa Telecom Co., Ltd.

Any MAC address starting 00:0A:43 is registered to Chunghwa Telecom Co., Ltd. in TW.

OUI prefix	000A43
Vendor	Chunghwa Telecom Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	00:0A:43:00:00:00

What this means

The IEEE assigned the MA-L block 000A43 to Chunghwa Telecom 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:43, it is Chunghwa Telecom Co., Ltd. hardware.

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