What this means
The IEEE assigned the MA-L block 143719 to PT Prakarsa Visi Valutama. 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 14:37:19, it is PT Prakarsa Visi Valutama hardware.
Frequently Asked Questions
Who owns MAC prefix 143719?
143719 is registered to PT Prakarsa Visi Valutama 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. PT Prakarsa Visi Valutama's block covers 16,777,216 addresses.
What devices use 143719?
Any network device with a MAC address starting 14:37:19 was manufactured by or for PT Prakarsa Visi Valutama.