Who owns MAC prefix 001ACC?

001ACC is registered to Celestial Semiconductor, Ltd in the IEEE MA-L registry.

What devices use 001ACC?

Any network device with a MAC address starting 00:1A:CC was manufactured by or for Celestial Semiconductor, Ltd.

MA-L · OUI prefix

Celestial Semiconductor, Ltd

Any MAC address starting 00:1A:CC is registered to Celestial Semiconductor, Ltd in KY.

OUI prefix	001ACC
Vendor	Celestial Semiconductor, Ltd
Registry	MA-L (24-bit, large block)
Country	KY
Example MAC	00:1A:CC:00:00:00

What this means

The IEEE assigned the MA-L block 001ACC to Celestial Semiconductor, 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 00:1A:CC, it is Celestial Semiconductor, Ltd hardware.

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