Who owns MAC prefix 3C80AA?

3C80AA is registered to Ransnet Singapore Pte Ltd in the IEEE MA-L registry.

What devices use 3C80AA?

Any network device with a MAC address starting 3C:80:AA was manufactured by or for Ransnet Singapore Pte Ltd.

MA-L · OUI prefix

Ransnet Singapore Pte Ltd

Any MAC address starting 3C:80:AA is registered to Ransnet Singapore Pte Ltd in SG.

OUI prefix	3C80AA
Vendor	Ransnet Singapore Pte Ltd
Registry	MA-L (24-bit, large block)
Country	SG
Example MAC	3C:80:AA:00:00:00

What this means

The IEEE assigned the MA-L block 3C80AA to Ransnet Singapore 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 3C:80:AA, it is Ransnet Singapore Pte Ltd hardware.

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