Who owns MAC prefix 1CA0D3D?

1CA0D3D is registered to ERATO (HK) Corporation Limited in the IEEE MA-M registry.

What devices use 1CA0D3D?

Any network device with a MAC address starting 1C:A0:D3:D was manufactured by or for ERATO (HK) Corporation Limited.

MA-M · OUI prefix

ERATO (HK) Corporation Limited

Any MAC address starting 1C:A0:D3:D is registered to ERATO (HK) Corporation Limited in HK.

OUI prefix	1CA0D3D
Vendor	ERATO (HK) Corporation Limited
Registry	MA-M (28-bit, medium block)
Country	HK
Example MAC	1C:A0:D3:D:00:00:00

What this means

The IEEE assigned the MA-M block 1CA0D3D to ERATO (HK) Corporation Limited. 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 1C:A0:D3:D, it is ERATO (HK) Corporation Limited hardware.

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