Who owns MAC prefix 00125B?

00125B is registered to KAIMEI ELECTRONI in the IEEE MA-L registry.

What devices use 00125B?

Any network device with a MAC address starting 00:12:5B was manufactured by or for KAIMEI ELECTRONI.

MA-L · OUI prefix

KAIMEI ELECTRONI

Any MAC address starting 00:12:5B is registered to KAIMEI ELECTRONI in TW.

OUI prefix	00125B
Vendor	KAIMEI ELECTRONI
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	00:12:5B:00:00:00

What this means

The IEEE assigned the MA-L block 00125B to KAIMEI ELECTRONI. 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 00:12:5B, it is KAIMEI ELECTRONI hardware.

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