Who owns MAC prefix C81E8E?

C81E8E is registered to ADV Security (S) Pte Ltd in the IEEE MA-L registry.

What devices use C81E8E?

Any network device with a MAC address starting C8:1E:8E was manufactured by or for ADV Security (S) Pte Ltd.

MA-L · OUI prefix

ADV Security (S) Pte Ltd

Any MAC address starting C8:1E:8E is registered to ADV Security (S) Pte Ltd in SG.

OUI prefix	C81E8E
Vendor	ADV Security (S) Pte Ltd
Registry	MA-L (24-bit, large block)
Country	SG
Example MAC	C8:1E:8E:00:00:00

What this means

The IEEE assigned the MA-L block C81E8E to ADV Security (S) 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 C8:1E:8E, it is ADV Security (S) Pte Ltd hardware.

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