Vitrea Smart Home Technologies - MAC Prefix 70B3D551B (MA-S)

What this means

The IEEE assigned the MA-S block 70B3D551B to Vitrea Smart Home Technologies. 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:D5:51:B, it is Vitrea Smart Home Technologies hardware.

Frequently Asked Questions

Who owns MAC prefix 70B3D551B?

70B3D551B is registered to Vitrea Smart Home Technologies 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. Vitrea Smart Home Technologies's block covers 4,096 addresses.

What devices use 70B3D551B?

Any network device with a MAC address starting 70:B3:D5:51:B was manufactured by or for Vitrea Smart Home Technologies.

OUI prefix	70B3D551B
Vendor	Vitrea Smart Home Technologies
Registry	MA-S (36-bit, small block)
Block size	4,096 addresses
Country	IL
Other blocks by this vendor	1 total
Example MAC	70:B3:D5:51:B:00:00:00