MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:5B:C0:00 /36
Vendor addressWiesenstraße 6 Walldorf Baden Württemberg DE 69190
Country🇩🇪 Germany
RegisteredDec 11, 2016
Block range70:B3:D5:5B:C0:00– 70:B3:D5:5B:CF: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
- Dec 11, 2016 – Jan 11, 2023 LAMTEC Meß- und Regeltechnik für Feuerungen GmbH & Co. KG name changed
- Jan 11, 2023 – present LAMTEC Mess- und Regeltechnik für Feuerungen GmbH & Co. KG
Example addresses in this block
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
LAMTEC Mess- und Regeltechnik für Feuerungen GmbH & Co. KG holds 3 registered blocks in the IEEE registry, ranking #1,148 of 33,427 organizations by block count.
Other blocks registered to LAMTEC Mess- und Regeltechnik für Feuerungen GmbH & Co. KG