What this means
The IEEE assigned the MA-S block 70B3D5EAB to APEN GROUP SpA (VAT IT08767740155). 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:EA:B, it is APEN GROUP SpA (VAT IT08767740155) hardware.
Frequently Asked Questions
Who owns MAC prefix 70B3D5EAB?
70B3D5EAB is registered to APEN GROUP SpA (VAT IT08767740155) 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. APEN GROUP SpA (VAT IT08767740155)'s block covers 4,096 addresses.
What devices use 70B3D5EAB?
Any network device with a MAC address starting 70:B3:D5:EA:B was manufactured by or for APEN GROUP SpA (VAT IT08767740155).