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:C2:28:00:00 /36
Vendor address16, rue d'Auriac Rieux Haute Garonne FR 31310
Country🇫🇷 France
RegisteredJul 30, 2008
Block range00:50:C2:28:00:00– 00:50:C2:28:0F: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
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00:50:C2:27:F0:00 /36
Air Broadband Communications, Inc.
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00:50:C2:28:10:00 /36
Cabtronix AG
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
AGECODAGIS SARL holds 1 registered blocks in the IEEE registry, ranking #4,372 of 33,421 organizations by block count.