Who owns MAC prefix 3CCF5B?

3CCF5B is registered to ICOMM HK LIMITED in the IEEE MA-L registry.

What devices use 3CCF5B?

Any network device with a MAC address starting 3C:CF:5B was manufactured by or for ICOMM HK LIMITED.

MA-L · OUI prefix

ICOMM HK LIMITED

Any MAC address starting 3C:CF:5B is registered to ICOMM HK LIMITED in HK.

OUI prefix	3CCF5B
Vendor	ICOMM HK LIMITED
Registry	MA-L (24-bit, large block)
Country	HK
Example MAC	3C:CF:5B:00:00:00

What this means

The IEEE assigned the MA-L block 3CCF5B to ICOMM HK LIMITED. 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 3C:CF:5B, it is ICOMM HK LIMITED hardware.

Other ICOMM HK LIMITED prefixes

ICOMM HK LIMITED holds 3 registered blocks in total.

580454 A43EA0

Look up another MAC