MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixA0:5D:0E:00:00:00 /24
Vendor addressnishida 6-1 Kakuda-City Miyagi-Pref JP 981-1595
Country🇯🇵 Japan
RegisteredMay 2, 2026
Block rangeA0:5D:0E:00:00:00– A0:5D:0E: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
ALPSALPINE CO,.LTD holds 42 registered blocks in the IEEE registry, ranking #84 of 33,421 organizations by block count.