Who owns MAC prefix F0C558?

F0C558 is registered to U.D.Electronic Corp. in the IEEE MA-L registry.

What devices use F0C558?

Any network device with a MAC address starting F0:C5:58 was manufactured by or for U.D.Electronic Corp..

MA-L · OUI prefix

U.D.Electronic Corp.

Any MAC address starting F0:C5:58 is registered to U.D.Electronic Corp. in TW.

OUI prefix	F0C558
Vendor	U.D.Electronic Corp.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	F0:C5:58:00:00:00

What this means

The IEEE assigned the MA-L block F0C558 to U.D.Electronic Corp.. 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 F0:C5:58, it is U.D.Electronic Corp. hardware.

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