MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixCC:39:53:60:00:00 /28
Vendor addressNO.23, Xincun Road, Chigang Zone, Humen Town Dongguan Guangdong CN 523000
Country🇨🇳 China
RegisteredJul 10, 2026
Block rangeCC:39:53:60:00:00– CC:39:53:6F: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
CC:39:53:50:00:00 /28
Shenzhen Junli Technology Co., Ltd
Next
CC:39:53:70:00:00 /28
Chengdu Superxon Communication Technology Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Sky Wing Communication Electronics Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #27,618 of 33,427 organizations by block count.