MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix58:E8:76:D0:00:00 /28
Vendor addressRoom 1501,15th floor,Building C,DaTang YOHO Park,Huli district Xiamen Fujian CN 361000
Country🇨🇳 China
RegisteredMay 15, 2016
Block range58:E8:76:D0:00:00– 58:E8:76: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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58:E8:76:C0:00:00 /28
KUSTOM SIGNALS INC
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58:E8:76:E0:00:00 /28
Baoruh Electronic Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Xiamen Cacamle Technology Co.,Ltd. holds 1 registered blocks in the IEEE registry, ranking #32,682 of 33,421 organizations by block count.