Embest Technology Co., Ltd - MAC Prefix 70B3D5A55 (MA-S)

What this means

The IEEE assigned the MA-S block 70B3D5A55 to Embest 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 70:B3:D5:A5:5, it is Embest Technology Co., Ltd hardware.

Frequently Asked Questions

Who owns MAC prefix 70B3D5A55?

70B3D5A55 is registered to Embest Technology Co., Ltd in the IEEE MA-S registry.

What does the MA-S registry type mean?

An MA-S assignment, formerly called OUI-36, covers 36 bits, giving the vendor 4,096 device addresses, the smallest block the IEEE issues. Embest Technology Co., Ltd's block covers 4,096 addresses.

What devices use 70B3D5A55?

Any network device with a MAC address starting 70:B3:D5:A5:5 was manufactured by or for Embest Technology Co., Ltd.

OUI prefix	70B3D5A55
Vendor	Embest Technology Co., Ltd
Registry	MA-S (36-bit, small block)
Block size	4,096 addresses
Country	CN
Other blocks by this vendor	1 total
Example MAC	70:B3:D5:A5:5:00:00:00