Trafag AG

MA-L

MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.

Prefix78:0C:26:00:00:00 /24

Vendor addressIndustriestrasse 11 Bubikon Zuerich CH 8608

RegisteredMay 18, 2026

Block range78:0C:26:00:00:00– 78:0C:26:FF:FF:FF

Address capacity16,777,216

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

78:0C:26:00:00:00 78:0C:26:7F:FF:FF 78:0C:26:FF:FF:FF

Where this block sits

Trafag AG holds 1 registered blocks in the IEEE registry, ranking #30,388 of 33,427 organizations by block count.