MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixD0:15:BB:70:00:00 /28
Vendor addressRoom 801, No.886, Jiefang Road,Yixing Wuxi Jiangsu CN 214200
Country🇨🇳 China
RegisteredMay 18, 2023
Block rangeD0:15:BB:70:00:00– D0:15:BB:7F: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
D0:15:BB:60:00:00 /28
ShenZhen Zhongke GuanJie Data Technology Co.,Ltd.
Next
D0:15:BB:80:00:00 /28
ALEKTO-SYSTEMS LTD
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
New Tech IoT holds 1 registered blocks in the IEEE registry, ranking #21,154 of 33,421 organizations by block count.