Who owns MAC prefix 1C21D1D?

1C21D1D is registered to Liscotech System Co., Ltd. in the IEEE MA-M registry.

What devices use 1C21D1D?

Any network device with a MAC address starting 1C:21:D1:D was manufactured by or for Liscotech System Co., Ltd..

MA-M · OUI prefix

Liscotech System Co., Ltd.

Any MAC address starting 1C:21:D1:D is registered to Liscotech System Co., Ltd. in TW.

OUI prefix	1C21D1D
Vendor	Liscotech System Co., Ltd.
Registry	MA-M (28-bit, medium block)
Country	TW
Example MAC	1C:21:D1:D:00:00:00

What this means

The IEEE assigned the MA-M block 1C21D1D to Liscotech System Co., Ltd.. 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:21:D1:D, it is Liscotech System Co., Ltd. hardware.

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