macadress

Peter Huber Kaeltemaschinenbau SE

MA-S
MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:08:B0:00 /36
Vendor addressWerner-von-Siemens-Str. 1 Offenburg Ba-Wue DE 77656
Country🇩🇪  Germany
RegisteredAug 19, 2018
Block range70:B3:D5:08:B0:00– 70:B3:D5:08:BF: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 →

Ownership timeline

  1. Aug 19, 2018 – Dec 16, 2023 Peter Huber Kaeltemaschinenbau AG name changed
  2. Dec 16, 2023 – present Peter Huber Kaeltemaschinenbau SE

Example addresses in this block

70:B3:D5:08:B0:00 70:B3:D5:08:B7:FF 70:B3:D5:08:BF:FF

Where this block sits

Previous 70:B3:D5:08:A0:00 /36 MB connect line GmbH Fernwartungssysteme Next 70:B3:D5:08:C0:00 /36 Airmar Technology Corp

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

Peter Huber Kaeltemaschinenbau SE holds 14 registered blocks in the IEEE registry, ranking #220 of 33,421 organizations by block count.

Other blocks registered to Peter Huber Kaeltemaschinenbau SE

00:50:C2:F1:60:00 /36 IAB 40:D8:55:1C:E0:00 /36 IAB 70:B3:D5:2E:00:00 /36 MA-S 70:B3:D5:5B:20:00 /36 MA-S 70:B3:D5:CD:90:00 /36 MA-S 70:B3:D5:D7:B0:00 /36 MA-S 70:B3:D5:DC:40:00 /36 MA-S 8C:1F:64:7E:40:00 /36 MA-S 8C:1F:64:8B:C0:00 /36 MA-S 8C:1F:64:98:70:00 /36 MA-S 8C:1F:64:AA:30:00 /36 MA-S 8C:1F:64:C3:50:00 /36 MA-S