What this means
The IEEE assigned the MA-M block 801D0DD to 802 Secure. 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 80:1D:0D:D, it is 802 Secure hardware.
Frequently Asked Questions
Who owns MAC prefix 801D0DD?
801D0DD is registered to 802 Secure in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. 802 Secure's block covers 1,048,576 addresses.
What devices use 801D0DD?
Any network device with a MAC address starting 80:1D:0D:D was manufactured by or for 802 Secure.