Who owns MAC prefix 9C9AC0?

9C9AC0 is registered to LEGO System A/S in the IEEE MA-L registry.

What devices use 9C9AC0?

Any network device with a MAC address starting 9C:9A:C0 was manufactured by or for LEGO System A/S.

MA-L · OUI prefix

LEGO System A/S

Any MAC address starting 9C:9A:C0 is registered to LEGO System A/S in DK.

OUI prefix	9C9AC0
Vendor	LEGO System A/S
Registry	MA-L (24-bit, large block)
Country	DK
Example MAC	9C:9A:C0:00:00:00

What this means

The IEEE assigned the MA-L block 9C9AC0 to LEGO System A/S. 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 9C:9A:C0, it is LEGO System A/S hardware.

Other LEGO System A/S prefixes

LEGO System A/S holds 2 registered blocks in total.

90842B

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