Breas Medical AB

MA-S

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

Prefix8C:1F:64:34:80:00 /36

Vendor addressFöretagsvägen 1 Mölnlycke SE SE-435 33

RegisteredSep 23, 2025

Block range8C:1F:64:34:80:00– 8C:1F:64:34:8F: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:64:34:80:00 8C:1F:64:34:87:FF 8C:1F:64:34:8F:FF

Where this block sits

Previous 8C:1F:64:34:70:00 /36 Plut d.o.o. Next 8C:1F:64:34:90:00 /36 WAVES SYSTEM

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

Breas Medical AB holds 16 registered blocks in the IEEE registry, ranking #200 of 33,421 organizations by block count.

Other blocks registered to Breas Medical AB

70:B3:D5:CF:90:00 /36 MA-S 70:B3:D5:E8:80:00 /36 MA-S 70:B3:D5:ED:A0:00 /36 MA-S 8C:1F:64:03:90:00 /36 MA-S 8C:1F:64:18:60:00 /36 MA-S 8C:1F:64:1C:50:00 /36 MA-S 8C:1F:64:4A:10:00 /36 MA-S 8C:1F:64:5A:10:00 /36 MA-S 8C:1F:64:93:50:00 /36 MA-S 8C:1F:64:95:00:00 /36 MA-S 8C:1F:64:98:F0:00 /36 MA-S 8C:1F:64:A6:10:00 /36 MA-S