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:DA:24:50:00:00 /28
Vendor addressShenzhen Nanshan District Yuehai Street Weixin Software Science Park Building 8 9th Floor Room 903 Shenzhen Guangdong CN 518500
Country🇨🇳 China
RegisteredAug 4, 2026
Block rangeD0:DA:24:50:00:00– D0:DA:24:5F: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:DA:24:40:00:00 /28
National Security Technology JSC
Next
D0:DA:24:60:00:00 /28
AHEESA DIGITAL INNOVATIONS PRIVATE LIMITED
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzhen Zhangyue Technology Co.,Ltd holds 3 registered blocks in the IEEE registry, ranking #1,308 of 33,421 organizations by block count.
Other blocks registered to Shenzhen Zhangyue Technology Co.,Ltd