Who owns MAC prefix 0003B3?

0003B3 is registered to IA Link Systems Co., Ltd. in the IEEE MA-L registry.

What devices use 0003B3?

Any network device with a MAC address starting 00:03:B3 was manufactured by or for IA Link Systems Co., Ltd..

MA-L · OUI prefix

IA Link Systems Co., Ltd.

Any MAC address starting 00:03:B3 is registered to IA Link Systems Co., Ltd..

OUI prefix	0003B3
Vendor	IA Link Systems Co., Ltd.
Registry	MA-L (24-bit, large block)
Example MAC	00:03:B3:00:00:00

What this means

The IEEE assigned the MA-L block 0003B3 to IA Link Systems Co., 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 00:03:B3, it is IA Link Systems Co., Ltd. hardware.

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