What this means
The IEEE assigned the MA-L block 000F73 to RS Automation Co., Ltd. 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 00:0F:73, it is RS Automation Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 000F73?
000F73 is registered to RS Automation Co., Ltd 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. RS Automation Co., Ltd's block covers 16,777,216 addresses.
What devices use 000F73?
Any network device with a MAC address starting 00:0F:73 was manufactured by or for RS Automation Co., Ltd.