MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:C4:50:00 /36
Vendor addressDr.-Stiebel-Strasse 33 Holzminden DE 37603
Country🇩🇪 Germany
RegisteredFeb 5, 2017
Block range70:B3:D5:C4:50:00– 70:B3:D5:C4:5F: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
- Feb 5, 2017 – Nov 28, 2023 Stiebel Eltron GmbH name changed
- Nov 28, 2023 – present STIEBEL ELTRON GMBH & CO. KG
Example addresses in this block
Where this block sits
Previous
70:B3:D5:C4:40:00 /36
Franz Kessler GmbH
Next
70:B3:D5:C4:60:00 /36
eumig industrie-TV GmbH.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
STIEBEL ELTRON GMBH & CO. KG holds 2 registered blocks in the IEEE registry, ranking #3,154 of 33,421 organizations by block count.
Other blocks registered to STIEBEL ELTRON GMBH & CO. KG