What this means
The IEEE assigned the MA-L block D4000D to Phoenix Broadband Technologies, 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 D4:00:0D, it is Phoenix Broadband Technologies, LLC. hardware.
Frequently Asked Questions
Who owns MAC prefix D4000D?
D4000D is registered to Phoenix Broadband Technologies, 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. Phoenix Broadband Technologies, LLC.'s block covers 16,777,216 addresses.
What devices use D4000D?
Any network device with a MAC address starting D4:00:0D was manufactured by or for Phoenix Broadband Technologies, LLC..