Who owns MAC prefix 1CF43F?

1CF43F is registered to Arcadyan Corporation in the IEEE MA-L registry.

What devices use 1CF43F?

Any network device with a MAC address starting 1C:F4:3F was manufactured by or for Arcadyan Corporation.

MA-L · OUI prefix

Arcadyan Corporation

Any MAC address starting 1C:F4:3F is registered to Arcadyan Corporation in TW.

OUI prefix	1CF43F
Vendor	Arcadyan Corporation
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	1C:F4:3F:00:00:00

What this means

The IEEE assigned the MA-L block 1CF43F to Arcadyan Corporation. 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:F4:3F, it is Arcadyan Corporation hardware.

Other Arcadyan Corporation prefixes

Arcadyan Corporation holds 90 registered blocks in total.

0012BF 001A2A 001D19 002308 00264D 040986 047056 04A222 0827A8 0C8E29 185880 186041 all 90 »

Look up another MAC