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:C8:90:00 /36
Vendor address645B Dawson drive Newark DE US 19713
Country🇺🇸 United States
RegisteredMay 2, 2010
Block range00:50:C2:C8:90:00– 00:50:C2:C8:9F: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 →
Example addresses in this block
Where this block sits
Previous
00:50:C2:C8:80:00 /36
CSI Controles e Sistemas Industriais Ltda.
Next
00:50:C2:C8:A0:00 /36
Automated Media Services, Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Creative Micro Design holds 1 registered blocks in the IEEE registry, ranking #9,355 of 33,427 organizations by block count.