Who owns MAC prefix 001C90?

001C90 is registered to Empacket Corporation in the IEEE MA-L registry.

What devices use 001C90?

Any network device with a MAC address starting 00:1C:90 was manufactured by or for Empacket Corporation.

MA-L · OUI prefix

Empacket Corporation

Any MAC address starting 00:1C:90 is registered to Empacket Corporation in JP.

OUI prefix	001C90
Vendor	Empacket Corporation
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:1C:90:00:00:00

What this means

The IEEE assigned the MA-L block 001C90 to Empacket Corporation. 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 00:1C:90, it is Empacket Corporation hardware.

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