Who owns MAC prefix 000DE9?

000DE9 is registered to Napatech Aps in the IEEE MA-L registry.

What devices use 000DE9?

Any network device with a MAC address starting 00:0D:E9 was manufactured by or for Napatech Aps.

MA-L · OUI prefix

Napatech Aps

Any MAC address starting 00:0D:E9 is registered to Napatech Aps in DK.

OUI prefix	000DE9
Vendor	Napatech Aps
Registry	MA-L (24-bit, large block)
Country	DK
Example MAC	00:0D:E9:00:00:00

What this means

The IEEE assigned the MA-L block 000DE9 to Napatech Aps. 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 00:0D:E9, it is Napatech Aps hardware.

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