Who owns MAC prefix 00243B?

00243B is registered to CSSI (S) Pte Ltd in the IEEE MA-L registry.

What devices use 00243B?

Any network device with a MAC address starting 00:24:3B was manufactured by or for CSSI (S) Pte Ltd.

MA-L · OUI prefix

CSSI (S) Pte Ltd

Any MAC address starting 00:24:3B is registered to CSSI (S) Pte Ltd in SG.

OUI prefix	00243B
Vendor	CSSI (S) Pte Ltd
Registry	MA-L (24-bit, large block)
Country	SG
Example MAC	00:24:3B:00:00:00

What this means

The IEEE assigned the MA-L block 00243B to CSSI (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 00:24:3B, it is CSSI (S) Pte Ltd hardware.

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