What this means
The IEEE assigned the MA-L block 00900F to KAWASAKI HEAVY INDUSTRIES, 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 00:90:0F, it is KAWASAKI HEAVY INDUSTRIES, LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 00900F?
00900F is registered to KAWASAKI HEAVY INDUSTRIES, 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. KAWASAKI HEAVY INDUSTRIES, LTD's block covers 16,777,216 addresses.
What devices use 00900F?
Any network device with a MAC address starting 00:90:0F was manufactured by or for KAWASAKI HEAVY INDUSTRIES, LTD.