What this means
The IEEE assigned the MA-L block 000D3D to Hammerhead Systems, Inc.. 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:3D, it is Hammerhead Systems, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 000D3D?
000D3D is registered to Hammerhead Systems, Inc. in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Hammerhead Systems, Inc.'s block covers 16,777,216 addresses.
What devices use 000D3D?
Any network device with a MAC address starting 00:0D:3D was manufactured by or for Hammerhead Systems, Inc..