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:C2:46:80:00 /36
Vendor address6703 Rain Creek Parkway Austin TX US 78759
Country🇺🇸 United States
RegisteredJul 30, 2008
Block range00:50:C2:46:80:00– 00:50:C2:46:8F: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:C2:46:70:00 /36
United Western Technologies
Next
00:50:C2:46:90:00 /36
Bipom Electronics, Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Network I/O holds 1 registered blocks in the IEEE registry, ranking #21,063 of 33,427 organizations by block count.