Who owns MAC prefix 5C0CBB?

5C0CBB is registered to CELIZION Inc. in the IEEE MA-L registry.

What devices use 5C0CBB?

Any network device with a MAC address starting 5C:0C:BB was manufactured by or for CELIZION Inc..

MA-L · OUI prefix

CELIZION Inc.

Any MAC address starting 5C:0C:BB is registered to CELIZION Inc. in KR.

OUI prefix	5C0CBB
Vendor	CELIZION Inc.
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	5C:0C:BB:00:00:00

What this means

The IEEE assigned the MA-L block 5C0CBB to CELIZION 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 5C:0C:BB, it is CELIZION Inc. hardware.

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