Who owns MAC prefix 943EFD4?

943EFD4 is registered to Vantive Manufacturing Pte Ltd in the IEEE MA-M registry.

What devices use 943EFD4?

Any network device with a MAC address starting 94:3E:FD:4 was manufactured by or for Vantive Manufacturing Pte Ltd.

MA-M · OUI prefix

Vantive Manufacturing Pte Ltd

Any MAC address starting 94:3E:FD:4 is registered to Vantive Manufacturing Pte Ltd in SG.

OUI prefix	943EFD4
Vendor	Vantive Manufacturing Pte Ltd
Registry	MA-M (28-bit, medium block)
Country	SG
Example MAC	94:3E:FD:4:00:00:00

What this means

The IEEE assigned the MA-M block 943EFD4 to Vantive Manufacturing Pte Ltd. 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 94:3E:FD:4, it is Vantive Manufacturing Pte Ltd hardware.

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