MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix0C:7F:ED:D0:00:00 /28
Vendor address#1201, 8, Seongnam-dearo 331beon-gil Bundang-gu, Seongnam-si Gyeonggi-do KR 13558
Country🇰🇷 South Korea
RegisteredApr 13, 2022
Block range0C:7F:ED:D0:00:00– 0C:7F:ED:DF:FF:FF
Address capacity1,048,576
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
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0C:7F:ED:C0:00:00 /28
Shenzhen MoreSense Technology Co., Ltd.
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0C:7F:ED:E0:00:00 /28
environmental systems corporation
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
ALT Co., Ltd. holds 2 registered blocks in the IEEE registry, ranking #1,492 of 33,421 organizations by block count.
Other blocks registered to ALT Co., Ltd.