Who owns MAC prefix FC4AE9?

FC4AE9 is registered to Castlenet Technology Inc. in the IEEE MA-L registry.

What devices use FC4AE9?

Any network device with a MAC address starting FC:4A:E9 was manufactured by or for Castlenet Technology Inc..

MA-L · OUI prefix

Castlenet Technology Inc.

Any MAC address starting FC:4A:E9 is registered to Castlenet Technology Inc. in TW.

OUI prefix	FC4AE9
Vendor	Castlenet Technology Inc.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	FC:4A:E9:00:00:00

What this means

The IEEE assigned the MA-L block FC4AE9 to Castlenet Technology 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 FC:4A:E9, it is Castlenet Technology Inc. hardware.

Other Castlenet Technology Inc. prefixes

Castlenet Technology Inc. holds 5 registered blocks in total.

001C7B 003054 184859 98F217

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