Who owns MAC prefix 0040C9?

0040C9 is registered to NCUBE in the IEEE MA-L registry.

What devices use 0040C9?

Any network device with a MAC address starting 00:40:C9 was manufactured by or for NCUBE.

MA-L · OUI prefix

NCUBE

Any MAC address starting 00:40:C9 is registered to NCUBE in US.

OUI prefix	0040C9
Vendor	NCUBE
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:40:C9:00:00:00

What this means

The IEEE assigned the MA-L block 0040C9 to NCUBE. 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 00:40:C9, it is NCUBE hardware.

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