Who owns MAC prefix 7C2048?

7C2048 is registered to KoamTac in the IEEE MA-L registry.

What devices use 7C2048?

Any network device with a MAC address starting 7C:20:48 was manufactured by or for KoamTac.

MA-L · OUI prefix

KoamTac

Any MAC address starting 7C:20:48 is registered to KoamTac in US.

OUI prefix	7C2048
Vendor	KoamTac
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	7C:20:48:00:00:00

What this means

The IEEE assigned the MA-L block 7C2048 to KoamTac. 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 7C:20:48, it is KoamTac hardware.

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