MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:4F:C0:00 /36
Vendor addressVIA CANADA 22A PADOVA ITALY IT 35127
Country🇮🇹 Italy
RegisteredMar 20, 2026
Block range8C:1F:64:4F:C0:00– 8C:1F:64:4F:CF: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:64:4F:B0:00 /36
MESA TECHNOLOGIES LLC
Next
8C:1F:64:50:00:00 /36
Nepean Networks Pty Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
QUBIX SPA holds 1 registered blocks in the IEEE registry, ranking #23,964 of 33,427 organizations by block count.