Who owns MAC prefix D4D919?

D4D919 is registered to GoPro in the IEEE MA-L registry.

What devices use D4D919?

Any network device with a MAC address starting D4:D9:19 was manufactured by or for GoPro.

MA-L · OUI prefix

GoPro

Any MAC address starting D4:D9:19 is registered to GoPro in US.

OUI prefix	D4D919
Vendor	GoPro
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	D4:D9:19:00:00:00

What this means

The IEEE assigned the MA-L block D4D919 to GoPro. 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 D4:D9:19, it is GoPro hardware.

Other GoPro prefixes

GoPro holds 8 registered blocks in total.

044169 045747 2474F7 AC04AA D43260 D89685 F4DD9E

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