MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:A7:10:00 /36
Vendor addressVia dell'Alzavola 7 Vecchiano Pisa IT 56019
Country🇮🇹 Italy
RegisteredMar 12, 2025
Block range8C:1F:64:A7:10:00– 8C:1F:64:A7:1F: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
Previous
8C:1F:64:A7:00:00 /36
V-teknik Elektronik AB
Next
8C:1F:64:A7:20:00 /36
First Design System Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Martec S.p.A. holds 2 registered blocks in the IEEE registry, ranking #2,487 of 33,427 organizations by block count.
Other blocks registered to Martec S.p.A.