Who owns MAC prefix 143719?

143719 is registered to PT Prakarsa Visi Valutama in the IEEE MA-L registry.

What devices use 143719?

Any network device with a MAC address starting 14:37:19 was manufactured by or for PT Prakarsa Visi Valutama.

MA-L · OUI prefix

PT Prakarsa Visi Valutama

Any MAC address starting 14:37:19 is registered to PT Prakarsa Visi Valutama in ID.

OUI prefix	143719
Vendor	PT Prakarsa Visi Valutama
Registry	MA-L (24-bit, large block)
Country	ID
Example MAC	14:37:19:00:00:00

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.

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