SYS TEC electronic GmbH - MAC Prefix 70B3D5AB4 (MA-S)

What this means

The IEEE assigned the MA-S block 70B3D5AB4 to SYS TEC electronic 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:AB:4, it is SYS TEC electronic GmbH hardware.

Frequently Asked Questions

Who owns MAC prefix 70B3D5AB4?

70B3D5AB4 is registered to SYS TEC electronic 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. SYS TEC electronic GmbH's block covers 4,096 addresses.

What devices use 70B3D5AB4?

Any network device with a MAC address starting 70:B3:D5:AB:4 was manufactured by or for SYS TEC electronic GmbH.

Other SYS TEC electronic GmbH prefixes

SYS TEC electronic GmbH holds 6 registered blocks in total.

OUI prefix	70B3D5AB4
Vendor	SYS TEC electronic GmbH
Registry	MA-S (36-bit, small block)
Block size	4,096 addresses
Country	DE
Other blocks by this vendor	6 total
Example MAC	70:B3:D5:AB:4:00:00:00