Who owns MAC prefix 00043B?

00043B is registered to Lava Computer Mfg., Inc. in the IEEE MA-L registry.

What devices use 00043B?

Any network device with a MAC address starting 00:04:3B was manufactured by or for Lava Computer Mfg., Inc..

MA-L · OUI prefix

Lava Computer Mfg., Inc.

Any MAC address starting 00:04:3B is registered to Lava Computer Mfg., Inc. in CA.

OUI prefix	00043B
Vendor	Lava Computer Mfg., Inc.
Registry	MA-L (24-bit, large block)
Country	CA
Example MAC	00:04:3B:00:00:00

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.

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