What this means
The IEEE assigned the MA-L block 000519 to Siemens Building Technologies AG,. 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 00:05:19, it is Siemens Building Technologies AG, hardware.
Frequently Asked Questions
Who owns MAC prefix 000519?
000519 is registered to Siemens Building Technologies AG, 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. Siemens Building Technologies AG,'s block covers 16,777,216 addresses.
What devices use 000519?
Any network device with a MAC address starting 00:05:19 was manufactured by or for Siemens Building Technologies AG,.