Who owns MAC prefix 1C9F4E?

1C9F4E is registered to COOSEA GROUP (HK) COMPANY LIMITED in the IEEE MA-L registry.

What devices use 1C9F4E?

Any network device with a MAC address starting 1C:9F:4E was manufactured by or for COOSEA GROUP (HK) COMPANY LIMITED.

MA-L · OUI prefix

COOSEA GROUP (HK) COMPANY LIMITED

Any MAC address starting 1C:9F:4E is registered to COOSEA GROUP (HK) COMPANY LIMITED in HK.

OUI prefix	1C9F4E
Vendor	COOSEA GROUP (HK) COMPANY LIMITED
Registry	MA-L (24-bit, large block)
Country	HK
Example MAC	1C:9F:4E:00:00:00

What this means

The IEEE assigned the MA-L block 1C9F4E to COOSEA GROUP (HK) COMPANY LIMITED. 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 1C:9F:4E, it is COOSEA GROUP (HK) COMPANY LIMITED hardware.

Other COOSEA GROUP (HK) COMPANY LIMITED prefixes

COOSEA GROUP (HK) COMPANY LIMITED holds 2 registered blocks in total.

D83EEF

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