What this means
The IEEE assigned the MA-L block 000673 to TKH Security Solutions USA. 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 00:06:73, it is TKH Security Solutions USA hardware.
Frequently Asked Questions
Who owns MAC prefix 000673?
000673 is registered to TKH Security Solutions USA 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. TKH Security Solutions USA's block covers 16,777,216 addresses.
What devices use 000673?
Any network device with a MAC address starting 00:06:73 was manufactured by or for TKH Security Solutions USA.