MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix7C:BC:84:30:00:00 /28
Vendor address23/F, Tower 1, No.523 Loushanguan Road, Changning District Shanghai CN 200051
Country🇨🇳 China
RegisteredSep 7, 2018
Block range7C:BC:84:30:00:00– 7C:BC:84:3F: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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7C:BC:84:20:00:00 /28
3S Technology Co., Ltd.
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7C:BC:84:40:00:00 /28
AUMOVIO France S.A.S.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shanghai Yitu Technology Co. Ltd holds 1 registered blocks in the IEEE registry, ranking #26,099 of 33,421 organizations by block count.