What this means
The IEEE assigned the MA-L block 00043B to Lava Computer Mfg., 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 00:04:3B, it is Lava Computer Mfg., Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 00043B?
00043B is registered to Lava Computer Mfg., Inc. 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. Lava Computer Mfg., Inc.'s block covers 16,777,216 addresses.
What devices use 00043B?
Any network device with a MAC address starting 00:04:3B was manufactured by or for Lava Computer Mfg., Inc..