Who owns MAC prefix 0090C3?

0090C3 is registered to TOPIC SEMICONDUCTOR CORP. in the IEEE MA-L registry.

What devices use 0090C3?

Any network device with a MAC address starting 00:90:C3 was manufactured by or for TOPIC SEMICONDUCTOR CORP..

MA-L · OUI prefix

TOPIC SEMICONDUCTOR CORP.

Any MAC address starting 00:90:C3 is registered to TOPIC SEMICONDUCTOR CORP. in TW.

OUI prefix	0090C3
Vendor	TOPIC SEMICONDUCTOR CORP.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	00:90:C3:00:00:00

What this means

The IEEE assigned the MA-L block 0090C3 to TOPIC SEMICONDUCTOR 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 00:90:C3, it is TOPIC SEMICONDUCTOR CORP. hardware.

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