What this means
The IEEE assigned the MA-L block 00B019 to UTC CCS. 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:B0:19, it is UTC CCS hardware.
Frequently Asked Questions
Who owns MAC prefix 00B019?
00B019 is registered to UTC CCS 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. UTC CCS's block covers 16,777,216 addresses.
What devices use 00B019?
Any network device with a MAC address starting 00:B0:19 was manufactured by or for UTC CCS.