GHM Messtechnik GmbH (8C:1F:64:9E:80:00 /36)

GHM Messtechnik GmbH MA-S

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

Prefix8C:1F:64:9E:80:00 /36

Vendor addressTenter Weg, 2-8 Remscheid DE 42897

Block range8C:1F:64:9E:80:00– 8C:1F:64:9E: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:64:9E:80:00 8C:1F:64:9E:87:FF 8C:1F:64:9E:8F:FF