Who owns MAC prefix 003091?

003091 is registered to TAIWAN FIRST LINE ELEC. CORP. in the IEEE MA-L registry.

What devices use 003091?

Any network device with a MAC address starting 00:30:91 was manufactured by or for TAIWAN FIRST LINE ELEC. CORP..

MA-L · OUI prefix

TAIWAN FIRST LINE ELEC. CORP.

Any MAC address starting 00:30:91 is registered to TAIWAN FIRST LINE ELEC. CORP. in TW.

OUI prefix	003091
Vendor	TAIWAN FIRST LINE ELEC. CORP.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	00:30:91:00:00:00

What this means

The IEEE assigned the MA-L block 003091 to TAIWAN FIRST LINE ELEC. 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 00:30:91, it is TAIWAN FIRST LINE ELEC. CORP. hardware.

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