MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixC0:83:59:10:00:00 /28
Vendor address30, Techno1-ro, Yuseong-gu, Daejeon Daejeon KR 34016
Country🇰🇷 South Korea
RegisteredApr 29, 2018
Block rangeC0:83:59:10:00:00– C0:83:59:1F: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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C0:83:59:00:00:00 /28
CHONGQING JIUYU SMART TECHNOLOGY CO.LTD.
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C0:83:59:20:00:00 /28
Huaxin SM Optics Co. LTD.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Gemvax Technology ,. Co.Ltd holds 1 registered blocks in the IEEE registry, ranking #13,441 of 33,427 organizations by block count.