Enclavamientos y Señalización Ferroviaria Enyse S.A.

MA-S

MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.

Prefix8C:1F:64:54:00:00 /36

Vendor addressC. Valportillo Segunda, 8 bis Alcobendas Madrid ES 28108

RegisteredOct 30, 2024

Block range8C:1F:64:54:00:00– 8C:1F:64:54:0F: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

8C:1F:64:54:00:00 8C:1F:64:54:07:FF 8C:1F:64:54:0F:FF

Where this block sits

Previous 8C:1F:64:53:F0:00 /36 Velvac Incorporated Next 8C:1F:64:54:20:00 /36 Landis+Gyr Equipamentos de Medição Ltda

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

Enclavamientos y Señalización Ferroviaria Enyse S.A. holds 1 registered blocks in the IEEE registry, ranking #11,760 of 33,421 organizations by block count.