FORCE Technology

MA-L

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

Prefix00:1B:1F:00:00:00 /24

Vendor addressVenlighedsvej 4 Horsholm DK 2970

RegisteredJan 16, 2007

Block range00:1B:1F:00:00:00– 00:1B:1F: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 →

Ownership timeline

Jan 16, 2007 – Nov 1, 2022 DELTA - Danish Electronics, Light & Acoustics name changedaddress changed
Nov 1, 2022 – present FORCE Technology

Example addresses in this block

00:1B:1F:00:00:00 00:1B:1F:7F:FF:FF 00:1B:1F:FF:FF:FF

Where this block sits

Previous 00:1B:1E:00:00:00 /24 HART Communication Foundation Next 00:1B:20:00:00:00 /24 TPine Technology

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

FORCE Technology holds 1 registered blocks in the IEEE registry, ranking #12,894 of 33,421 organizations by block count.