What this means
The IEEE assigned the MA-L block 002077 to KARDIOS SYSTEMS CORP.. 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 00:20:77, it is KARDIOS SYSTEMS CORP. hardware.
Frequently Asked Questions
Who owns MAC prefix 002077?
002077 is registered to KARDIOS SYSTEMS CORP. 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. KARDIOS SYSTEMS CORP.'s block covers 16,777,216 addresses.
What devices use 002077?
Any network device with a MAC address starting 00:20:77 was manufactured by or for KARDIOS SYSTEMS CORP..