Who owns MAC prefix 0016F3?

0016F3 is registered to CAST Information Co., Ltd in the IEEE MA-L registry.

What devices use 0016F3?

Any network device with a MAC address starting 00:16:F3 was manufactured by or for CAST Information Co., Ltd.

MA-L · OUI prefix

CAST Information Co., Ltd

Any MAC address starting 00:16:F3 is registered to CAST Information Co., Ltd in KR.

OUI prefix	0016F3
Vendor	CAST Information Co., Ltd
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	00:16:F3:00:00:00

What this means

The IEEE assigned the MA-L block 0016F3 to CAST Information 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 00:16:F3, it is CAST Information Co., Ltd hardware.

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