What this means
The IEEE assigned the MA-S block 70B3D5833 to Alpiq InTec Management AG. 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:D5:83:3, it is Alpiq InTec Management AG hardware.
Frequently Asked Questions
Who owns MAC prefix 70B3D5833?
70B3D5833 is registered to Alpiq InTec Management AG 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. Alpiq InTec Management AG's block covers 4,096 addresses.
What devices use 70B3D5833?
Any network device with a MAC address starting 70:B3:D5:83:3 was manufactured by or for Alpiq InTec Management AG.