MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix78:61:7C:00:00:00 /24
Vendor address2-11-2, Tsurumaki Tama-shi Tokyo JP 206-8567
Country🇯🇵 Japan
RegisteredApr 20, 2012
Block range78:61:7C:00:00:00– 78:61:7C: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.
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Ownership timeline
- Apr 20, 2012 – Jun 24, 2017 MITSUMI ELECTRIC CO.,LTD name changedaddress changed
- Jun 24, 2017 – present MITSUMI ELECTRIC CO.,LTD.
Example addresses in this block
Where this block sits
MITSUMI ELECTRIC CO.,LTD. holds 7 registered blocks in the IEEE registry, ranking #432 of 33,427 organizations by block count.
Other blocks registered to MITSUMI ELECTRIC CO.,LTD.