MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix68:69:CA:00:00:00 /24
Vendor address27-18, Minami Oi 6-chome, Shinagawa-ku Tokyo JP 140-8572
Country🇯🇵 Japan
RegisteredJan 18, 2020
Block range68:69:CA:00:00:00– 68:69:CA: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
Hitachi, Ltd. holds 4 registered blocks in the IEEE registry, ranking #745 of 33,427 organizations by block count.
Other blocks registered to Hitachi, Ltd.