MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixD4:20:00:20:00:00 /28
Vendor addressRoom 609, Building 1, Phase 2, Gaoxinqi Strategic Emerging Industrial Park, Liu Xian 1st Road,Baoan Shenzhen Guangdong CN 518101
Country🇨🇳 China
RegisteredJul 1, 2022
Block rangeD4:20:00:20:00:00– D4:20:00:2F: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
D4:20:00:10:00:00 /28
Zelus(HuangZhou) Technology Ltd.
Next
D4:20:00:30:00:00 /28
Arbe Robotics Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzhen AI Develop & Manufacture Co.,LTD. holds 1 registered blocks in the IEEE registry, ranking #26,192 of 33,427 organizations by block count.