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:C0:00:00 /28
Vendor addressSuite 6503, 65/F, Central Plaza, 18 Harbour Road, Wan Chai, HK Hong Kong HK 999077
Country🇭🇰 Hong Kong
RegisteredAug 5, 2026
Block rangeD0:DA:24:C0:00:00– D0:DA:24:CF: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
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Alloop（Hong kong）Limited holds 1 registered blocks in the IEEE registry, ranking #4,754 of 33,421 organizations by block count.