MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixA4:58:0F:00:00:00 /28
Vendor addressBuilding 33, Dahe Industrial Zone, Huanguan South Rd., Guanlan Street, ShenZhen GuangDong CN 518100
Country🇨🇳 China
RegisteredSep 11, 2016
Block rangeA4:58:0F:00:00:00– A4:58:0F:0F: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.
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Example addresses in this block
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
INNOPRO holds 1 registered blocks in the IEEE registry, ranking #16,109 of 33,427 organizations by block count.