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.
Frequently Asked Questions
Who owns MAC prefix 003091?
003091 is registered to TAIWAN FIRST LINE ELEC. CORP. in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. TAIWAN FIRST LINE ELEC. CORP.'s block covers 16,777,216 addresses.
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..