What this means
The IEEE assigned the MA-L block 000139 to Point Multimedia Systems. 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 00:01:39, it is Point Multimedia Systems hardware.
Frequently Asked Questions
Who owns MAC prefix 000139?
000139 is registered to Point Multimedia Systems 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. Point Multimedia Systems's block covers 16,777,216 addresses.
What devices use 000139?
Any network device with a MAC address starting 00:01:39 was manufactured by or for Point Multimedia Systems.