Who owns MAC prefix B437D1D?

B437D1D is registered to ZXY Sport Tracking in the IEEE MA-M registry.

What devices use B437D1D?

Any network device with a MAC address starting B4:37:D1:D was manufactured by or for ZXY Sport Tracking.

MA-M · OUI prefix

ZXY Sport Tracking

Any MAC address starting B4:37:D1:D is registered to ZXY Sport Tracking in NO.

OUI prefix	B437D1D
Vendor	ZXY Sport Tracking
Registry	MA-M (28-bit, medium block)
Country	NO
Example MAC	B4:37:D1:D:00:00:00

What this means

The IEEE assigned the MA-M block B437D1D to ZXY Sport Tracking. 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:D, it is ZXY Sport Tracking hardware.

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