MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:12:94:00:00:00 /24
Vendor address1000 Kamisukiawara,Showa-cho Nakakoma-gun Yamanashi JP 409-3883
Country🇯🇵 Japan
RegisteredOct 10, 2004
Block range00:12:94:00:00:00– 00:12:94: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
- Oct 10, 2004 – Dec 16, 2009 Eudyna Devices Inc. name changed
- Dec 16, 2009 – present SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC
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.
SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC holds 1 registered blocks in the IEEE registry, ranking #28,530 of 33,421 organizations by block count.