Who owns MAC prefix 0005B4?

0005B4 is registered to Aceex Corporation in the IEEE MA-L registry.

What devices use 0005B4?

Any network device with a MAC address starting 00:05:B4 was manufactured by or for Aceex Corporation.

MA-L · OUI prefix

Aceex Corporation

Any MAC address starting 00:05:B4 is registered to Aceex Corporation in TW.

OUI prefix	0005B4
Vendor	Aceex Corporation
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	00:05:B4:00:00:00

What this means

The IEEE assigned the MA-L block 0005B4 to Aceex Corporation. 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 00:05:B4, it is Aceex Corporation hardware.

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