MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixDC:44:B1:00:00:00 /24
Vendor addressFeldkircherstrasse 100 Schaan LI 9494
Country🇱🇮 Liechtenstein
RegisteredOct 14, 2025
Block rangeDC:44:B1:00:00:00– DC:44:B1: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
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Hilti Corporation holds 2 registered blocks in the IEEE registry, ranking #2,195 of 33,421 organizations by block count.
Other blocks registered to Hilti Corporation