Chi Geng Technology Co., Ltd - MAC Prefix 90A9F7A (MA-M)

What this means

The IEEE assigned the MA-M block 90A9F7A to Chi Geng Technology 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 90:A9:F7:A, it is Chi Geng Technology Co., Ltd hardware.

Frequently Asked Questions

Who owns MAC prefix 90A9F7A?

90A9F7A is registered to Chi Geng Technology Co., 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. Chi Geng Technology Co., Ltd's block covers 1,048,576 addresses.

What devices use 90A9F7A?

Any network device with a MAC address starting 90:A9:F7:A was manufactured by or for Chi Geng Technology Co., Ltd.

OUI prefix	90A9F7A
Vendor	Chi Geng Technology Co., Ltd
Registry	MA-M (28-bit, medium block)
Block size	1,048,576 addresses
Country	TW
Other blocks by this vendor	1 total
Example MAC	90:A9:F7:A:00:00:00