Who owns MAC prefix 00013B?

00013B is registered to BNA SYSTEMS in the IEEE MA-L registry.

What devices use 00013B?

Any network device with a MAC address starting 00:01:3B was manufactured by or for BNA SYSTEMS.

MA-L · OUI prefix

BNA SYSTEMS

Any MAC address starting 00:01:3B is registered to BNA SYSTEMS in US.

OUI prefix	00013B
Vendor	BNA SYSTEMS
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:01:3B:00:00:00

What this means

The IEEE assigned the MA-L block 00013B to BNA SYSTEMS. 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 00:01:3B, it is BNA SYSTEMS hardware.

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