Who owns MAC prefix 00124F?

00124F is registered to Chemelex LLC in the IEEE MA-L registry.

What devices use 00124F?

Any network device with a MAC address starting 00:12:4F was manufactured by or for Chemelex LLC.

MA-L · OUI prefix

Chemelex LLC

Any MAC address starting 00:12:4F is registered to Chemelex LLC in US.

OUI prefix	00124F
Vendor	Chemelex LLC
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:12:4F:00:00:00

What this means

The IEEE assigned the MA-L block 00124F to Chemelex LLC. 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 00:12:4F, it is Chemelex LLC hardware.

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