What this means
The IEEE assigned the MA-L block 001777 to Obsidian Research Corporation. 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 00:17:77, it is Obsidian Research Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix 001777?
001777 is registered to Obsidian Research Corporation 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. Obsidian Research Corporation's block covers 16,777,216 addresses.
What devices use 001777?
Any network device with a MAC address starting 00:17:77 was manufactured by or for Obsidian Research Corporation.