What this means
The IEEE assigned the MA-S block 70B3D5223 to Research Laboratory of Design Automation, 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:D5:22:3, it is Research Laboratory of Design Automation, Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 70B3D5223?
70B3D5223 is registered to Research Laboratory of Design Automation, 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. Research Laboratory of Design Automation, Ltd.'s block covers 4,096 addresses.
What devices use 70B3D5223?
Any network device with a MAC address starting 70:B3:D5:22:3 was manufactured by or for Research Laboratory of Design Automation, Ltd..