Who owns MAC prefix 5478C9?

5478C9 is registered to AMPAK Technology,Inc. in the IEEE MA-L registry.

What devices use 5478C9?

Any network device with a MAC address starting 54:78:C9 was manufactured by or for AMPAK Technology,Inc..

MA-L · OUI prefix

AMPAK Technology,Inc.

Any MAC address starting 54:78:C9 is registered to AMPAK Technology,Inc. in TW.

OUI prefix	5478C9
Vendor	AMPAK Technology,Inc.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	54:78:C9:00:00:00

What this means

The IEEE assigned the MA-L block 5478C9 to AMPAK 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 54:78:C9, it is AMPAK Technology,Inc. hardware.

Other AMPAK Technology,Inc. prefixes

AMPAK Technology,Inc. holds 42 registered blocks in total.

0022F4 002DB3 04E676 08E9F6 08FBEA 102C6B 10D07A 18937F 20406A 243672 2050E7 282D06 all 42 »

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