Colorlight Cloud Tech Ltd - MAC Prefix F040AF0 (MA-M)

What this means

The IEEE assigned the MA-M block F040AF0 to Colorlight Cloud Tech 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 F0:40:AF:0, it is Colorlight Cloud Tech Ltd hardware.

Frequently Asked Questions

Who owns MAC prefix F040AF0?

F040AF0 is registered to Colorlight Cloud Tech Ltd in the IEEE MA-M registry.

What does the MA-M registry type mean?

An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Colorlight Cloud Tech Ltd's block covers 1,048,576 addresses.

What devices use F040AF0?

Any network device with a MAC address starting F0:40:AF:0 was manufactured by or for Colorlight Cloud Tech Ltd.

OUI prefix	F040AF0
Vendor	Colorlight Cloud Tech Ltd
Registry	MA-M (28-bit, medium block)
Block size	1,048,576 addresses
Country	CN
Other blocks by this vendor	1 total
Example MAC	F0:40:AF:0:00:00:00