Who owns MAC prefix 4C2258?

4C2258 is registered to cozybit, Inc. in the IEEE MA-L registry.

What devices use 4C2258?

Any network device with a MAC address starting 4C:22:58 was manufactured by or for cozybit, Inc..

MA-L · OUI prefix

cozybit, Inc.

Any MAC address starting 4C:22:58 is registered to cozybit, Inc. in US.

OUI prefix	4C2258
Vendor	cozybit, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	4C:22:58:00:00:00

What this means

The IEEE assigned the MA-L block 4C2258 to cozybit, 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 4C:22:58, it is cozybit, Inc. hardware.

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