MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixD0:D9:4F:A0:00:00 /28
Vendor addressGushu Community, Xixiang Street, Baoan Dist. ShenZhen, GuangDong, China Shenzhen Guangdong CN 518126
Country🇨🇳 China
RegisteredMar 27, 2016
Block rangeD0:D9:4F:A0:00:00– D0:D9:4F:AF: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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D0:D9:4F:90:00:00 /28
Hangzhou xiaoben technology co.,Ltd
Next
D0:D9:4F:B0:00:00 /28
MAX Smart Home, LLC
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzhen FDC Electuonic Co.,Ltd. holds 1 registered blocks in the IEEE registry, ranking #26,404 of 33,427 organizations by block count.