What this means
The IEEE assigned the MA-L block 001F1D to Atlas Material Testing Technology LLC. 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 00:1F:1D, it is Atlas Material Testing Technology LLC hardware.
Frequently Asked Questions
Who owns MAC prefix 001F1D?
001F1D is registered to Atlas Material Testing Technology LLC 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. Atlas Material Testing Technology LLC's block covers 16,777,216 addresses.
What devices use 001F1D?
Any network device with a MAC address starting 00:1F:1D was manufactured by or for Atlas Material Testing Technology LLC.