IAB: an Individual Address Block, a /36 covering 4,096 addresses. IEEE's predecessor to MA-S; no longer issued, but existing assignments remain valid.
Prefix00:50:C2:9B:C0:00 /36
Vendor addressOtto-Hahn-Straße 14 Straubenhardt Baden-Württemberg DE 75334
Country🇩🇪 Germany
RegisteredOct 26, 2008
Block range00:50:C2:9B:C0:00– 00:50:C2:9B: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
- Oct 26, 2008 – Oct 24, 2021 Vester Elektronik GmbH name changed
- Oct 24, 2021 – present Kistler Straubenhardt GmbH
Example addresses in this block
Where this block sits
Previous
00:50:C2:9B:B0:00 /36
OMICRON electronics GmbH
Next
00:50:C2:9B:D0:00 /36
Sensitron Semiconductor
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Kistler Straubenhardt GmbH holds 1 registered blocks in the IEEE registry, ranking #17,706 of 33,427 organizations by block count.