MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:12:F5:00:00:00 /24
Vendor addressSuite G16, National Innovation Centre, Eveleigh NSW NZ 2015
Country🇳🇿 New Zealand
RegisteredNov 26, 2004
Block range00:12:F5:00:00:00– 00:12:F5: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
- Nov 26, 2004 – Dec 7, 2009 Prolificx Ltd name changedaddress changed
- Dec 7, 2009 – present Imarda New Zealand Limited
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.
Imarda New Zealand Limited holds 3 registered blocks in the IEEE registry, ranking #1,111 of 33,421 organizations by block count.
Other blocks registered to Imarda New Zealand Limited