MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:15:20:00:00:00 /24
Vendor addressSandakerveien 64 Oslo NO 0484
Country🇳🇴 Norway
RegisteredJul 8, 2005
Block range00:15:20:00:00:00– 00:15:20: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
Previous
00:15:1F:00:00:00 /24
Multivision Intelligent Surveillance (Hong Kong) Ltd
Next
00:15:21:00:00:00 /24
Horoquartz
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Radiocrafts AS holds 1 registered blocks in the IEEE registry, ranking #24,104 of 33,427 organizations by block count.