MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixCC:82:7B:D0:00:00 /28
Vendor addressRoom A902 & A903, Building 6, No. 1618 Yishan Road, Minhang District Shanghai CN 201100
Country🇨🇳 China
Block rangeCC:82:7B:D0:00:00– CC:82:7B: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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CC:82:7B:C0:00:00 /28
RNL Technology(Shenzhen) Co., Ltd
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CC:82:7B:E0:00:00 /28
Applied Materials
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Good Trend Technology Co.Ltd.(Shanghai). holds 1 registered blocks in the IEEE registry, ranking #13,856 of 33,427 organizations by block count.