MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixAC:1D:DF:60:00:00 /28
Vendor address7F,Haixiang plaza, No.1052 Nanhai Road, Nanshan district Shenzhen Guangdong CN 518000
Country🇨🇳 China
RegisteredJul 16, 2017
Block rangeAC:1D:DF:60:00:00– AC:1D:DF:6F: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
Previous
AC:1D:DF:50:00:00 /28
Shenzhen Ouzheng Electronic Tech Co,.Ltd
Next
AC:1D:DF:70:00:00 /28
Green IT Korea Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzheng SenseTime Technology Co. Ltd holds 1 registered blocks in the IEEE registry, ranking #27,126 of 33,427 organizations by block count.