What this means
The IEEE assigned the MA-L block 00400A to PIVOTAL TECHNOLOGIES, INC.. 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 00:40:0A, it is PIVOTAL TECHNOLOGIES, INC. hardware.
Frequently Asked Questions
Who owns MAC prefix 00400A?
00400A is registered to PIVOTAL TECHNOLOGIES, INC. 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. PIVOTAL TECHNOLOGIES, INC.'s block covers 16,777,216 addresses.
What devices use 00400A?
Any network device with a MAC address starting 00:40:0A was manufactured by or for PIVOTAL TECHNOLOGIES, INC..