Who owns MAC prefix 4CA928?

4CA928 is registered to Insensi in the IEEE MA-L registry.

What devices use 4CA928?

Any network device with a MAC address starting 4C:A9:28 was manufactured by or for Insensi.

MA-L · OUI prefix

Insensi

Any MAC address starting 4C:A9:28 is registered to Insensi in US.

OUI prefix	4CA928
Vendor	Insensi
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	4C:A9:28:00:00:00

What this means

The IEEE assigned the MA-L block 4CA928 to Insensi. 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 4C:A9:28, it is Insensi hardware.

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