What this means
The IEEE assigned the MA-S block 70B3D5DE3 to ETL Elektrotechnik Lauter GmbH. 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:DE:3, it is ETL Elektrotechnik Lauter GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 70B3D5DE3?
70B3D5DE3 is registered to ETL Elektrotechnik Lauter GmbH 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. ETL Elektrotechnik Lauter GmbH's block covers 4,096 addresses.
What devices use 70B3D5DE3?
Any network device with a MAC address starting 70:B3:D5:DE:3 was manufactured by or for ETL Elektrotechnik Lauter GmbH.