MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:11:10:00 /36
Vendor addressVia Greto di Cornigliano, 6R Genova IT 16152
Country🇮🇹 Italy
RegisteredMar 7, 2019
Block range70:B3:D5:11:10:00– 70:B3:D5:11:1F: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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70:B3:D5:11:00:00 /36
Orion Power Systems, Inc.
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70:B3:D5:11:20:00 /36
DiTEST Fahrzeugdiagnose GmbH
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Leonardo Sistemi Integrati S.r.l. holds 1 registered blocks in the IEEE registry, ranking #18,376 of 33,421 organizations by block count.