Who owns MAC prefix 70DEF9?

70DEF9 is registered to FAI WAH INTERNATIONAL (HONG KONG) LIMITED in the IEEE MA-L registry.

What devices use 70DEF9?

Any network device with a MAC address starting 70:DE:F9 was manufactured by or for FAI WAH INTERNATIONAL (HONG KONG) LIMITED.

MA-L · OUI prefix

FAI WAH INTERNATIONAL (HONG KONG) LIMITED

Any MAC address starting 70:DE:F9 is registered to FAI WAH INTERNATIONAL (HONG KONG) LIMITED in HK.

OUI prefix	70DEF9
Vendor	FAI WAH INTERNATIONAL (HONG KONG) LIMITED
Registry	MA-L (24-bit, large block)
Country	HK
Example MAC	70:DE:F9:00:00:00

What this means

The IEEE assigned the MA-L block 70DEF9 to FAI WAH INTERNATIONAL (HONG KONG) LIMITED. 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 70:DE:F9, it is FAI WAH INTERNATIONAL (HONG KONG) LIMITED hardware.

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