MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:A0:30:00 /36
Vendor addressDonaustraße 14 Fulda Hessen DE 36043
Country🇩🇪 Germany
RegisteredAug 6, 2017
Block range70:B3:D5:A0:30:00– 70:B3:D5:A0:3F: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
- Aug 6, 2017 – Jul 29, 2020 Private name changedaddress changedcountry changed
- Jul 29, 2020 – present Proemion GmbH
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.
Proemion GmbH holds 2 registered blocks in the IEEE registry, ranking #2,767 of 33,427 organizations by block count.
Other blocks registered to Proemion GmbH