What this means
The IEEE assigned the MA-L block 0013BF to Media System Planning 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 00:13:BF, it is Media System Planning Corp. hardware.
Frequently Asked Questions
Who owns MAC prefix 0013BF?
0013BF is registered to Media System Planning 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. Media System Planning Corp.'s block covers 16,777,216 addresses.
What devices use 0013BF?
Any network device with a MAC address starting 00:13:BF was manufactured by or for Media System Planning Corp..