What devices use 78EB39?

Any network device with a MAC address starting 78:EB:39 was manufactured by or for Instituto Nacional de Tecnología Industrial.

MA-L · OUI prefix

Instituto Nacional de Tecnología Industrial

Q: Who owns MAC prefix 78EB39?

78EB39 is registered to Instituto Nacional de Tecnología Industrial in the IEEE MA-L registry.

Any MAC address starting 78:EB:39 is registered to Instituto Nacional de Tecnología Industrial in AR.

OUI prefix	78EB39
Vendor	Instituto Nacional de Tecnología Industrial
Registry	MA-L (24-bit, large block)
Country	AR
Example MAC	78:EB:39:00:00:00

What this means

The IEEE assigned the MA-L block 78EB39 to Instituto Nacional de Tecnología Industrial. 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 78:EB:39, it is Instituto Nacional de Tecnología Industrial hardware.

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