Who owns MAC prefix B437D10?

B437D10 is registered to Lezyne INC USA in the IEEE MA-M registry.

What devices use B437D10?

Any network device with a MAC address starting B4:37:D1:0 was manufactured by or for Lezyne INC USA.

MA-M · OUI prefix

Lezyne INC USA

Any MAC address starting B4:37:D1:0 is registered to Lezyne INC USA in US.

OUI prefix	B437D10
Vendor	Lezyne INC USA
Registry	MA-M (28-bit, medium block)
Country	US
Example MAC	B4:37:D1:0:00:00:00

What this means

The IEEE assigned the MA-M block B437D10 to Lezyne INC USA. 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 B4:37:D1:0, it is Lezyne INC USA hardware.

Look up another MAC