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:D2:B0:00 /36
Vendor address2761-1 Togo, Shimokanuki Numazu Shizuoka Prefecture JP 410-0822
Country🇯🇵 Japan
RegisteredOct 3, 2010
Block range00:50:C2:D2:B0:00– 00:50:C2:D2:BF: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:D2:A0:00 /36
Millennium Electronics Pty.Ltd.
Next
00:50:C2:D2:C0:00 /36
Schneider Electric Motion USA
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Video Tech Laboratories, Inc. holds 1 registered blocks in the IEEE registry, ranking #31,454 of 33,427 organizations by block count.