Who owns MAC prefix 00C027?

00C027 is registered to CIPHER SYSTEMS, INC. in the IEEE MA-L registry.

What devices use 00C027?

Any network device with a MAC address starting 00:C0:27 was manufactured by or for CIPHER SYSTEMS, INC..

MA-L · OUI prefix

CIPHER SYSTEMS, INC.

Any MAC address starting 00:C0:27 is registered to CIPHER SYSTEMS, INC. in US.

OUI prefix	00C027
Vendor	CIPHER SYSTEMS, INC.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:C0:27:00:00:00

What this means

The IEEE assigned the MA-L block 00C027 to CIPHER SYSTEMS, INC.. 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:C0:27, it is CIPHER SYSTEMS, INC. hardware.

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