Who owns MAC prefix 4CFBFE?

4CFBFE is registered to Sercomm Japan Corporation in the IEEE MA-L registry.

What devices use 4CFBFE?

Any network device with a MAC address starting 4C:FB:FE was manufactured by or for Sercomm Japan Corporation.

MA-L · OUI prefix

Sercomm Japan Corporation

Any MAC address starting 4C:FB:FE is registered to Sercomm Japan Corporation in TW.

OUI prefix	4CFBFE
Vendor	Sercomm Japan Corporation
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	4C:FB:FE:00:00:00

What this means

The IEEE assigned the MA-L block 4CFBFE to Sercomm Japan 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 4C:FB:FE, it is Sercomm Japan Corporation hardware.

Other Sercomm Japan Corporation prefixes

Sercomm Japan Corporation holds 4 registered blocks in total.

04585D5 18EFC0 7425849

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