What this means
The IEEE assigned the MA-S block 70B3D51C8 to LDA audio video profesional S.L.. 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:D5:1C:8, it is LDA audio video profesional S.L. hardware.
Frequently Asked Questions
Who owns MAC prefix 70B3D51C8?
70B3D51C8 is registered to LDA audio video profesional S.L. 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. LDA audio video profesional S.L.'s block covers 4,096 addresses.
What devices use 70B3D51C8?
Any network device with a MAC address starting 70:B3:D5:1C:8 was manufactured by or for LDA audio video profesional S.L..