What this means
The IEEE assigned the MA-L block 603FC5 to COX 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 60:3F:C5, it is COX CO., LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 603FC5?
603FC5 is registered to COX 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. COX CO., LTD's block covers 16,777,216 addresses.
What devices use 603FC5?
Any network device with a MAC address starting 60:3F:C5 was manufactured by or for COX CO., LTD.