MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:5E:00:00 /36
Vendor addressNaddnieprzańska 31G Warszawa PL 04-205
Country🇵🇱 Poland
Block range8C:1F:64:5E:00:00– 8C:1F:64:5E: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 →
Ownership timeline
- Sep 12, 2026 – Sep 13, 2026 Audio Video Show Sp. z o.o. name changed
- Sep 13, 2026 – present Everest Audio Labs
Example addresses in this block
Where this block sits
Previous
8C:1F:64:5D:F0:00 /36
Roesch Walter Industrie-Elektronik GmbH
Next
8C:1F:64:5E:10:00 /36
Power Electronics Espana, S.L.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Everest Audio Labs holds 1 registered blocks in the IEEE registry, ranking #12,263 of 33,427 organizations by block count.