AT-Automation Technology GmbH (70:B3:D5:02:80:00 /36)

AT-Automation Technology GmbH MA-S

MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.

Prefix70:B3:D5:02:80:00 /36

Vendor addressHermann-Boessow-Str. 6-8 Bad Oldesloe DE D-23843

Block range70:B3:D5:02:80:00– 70:B3:D5:02:8F:FF

Address capacity4,096

AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority

TransmissionUnicast: addressed to a single device

SourceIEEE Registration Authority

Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.

Curious how a prefix like this turns into a full address? See how MAC addresses are structured →

Example addresses in this block

70:B3:D5:02:80:00 70:B3:D5:02:87:FF 70:B3:D5:02:8F:FF

Other blocks registered to AT-Automation Technology GmbH

00:50:C2:8E:D0:00 /36 IAB 70:B3:D5:34:50:00 /36 MA-S 8C:1F:64:2D:A0:00 /36 MA-S 8C:1F:64:69:E0:00 /36 MA-S 8C:1F:64:7F:20:00 /36 MA-S