What this means
The IEEE assigned the MA-L block 587FB7 to SONAR INDUSTRIAL 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 58:7F:B7, it is SONAR INDUSTRIAL CO., LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 587FB7?
587FB7 is registered to SONAR INDUSTRIAL 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. SONAR INDUSTRIAL CO., LTD.'s block covers 16,777,216 addresses.
What devices use 587FB7?
Any network device with a MAC address starting 58:7F:B7 was manufactured by or for SONAR INDUSTRIAL CO., LTD..