MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix0C:CC:47:20:00:00 /28
Vendor addressUnit F,27/F,Maxgrand Plaza,3 Tai Yan Street, San Po Kong, Kowloon, Hong Kong, China Hong Kong CN 999077
Country🇨🇳 China
RegisteredSep 30, 2022
Block range0C:CC:47:20:00:00– 0C:CC:47:2F: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
0C:CC:47:10:00:00 /28
General Industrial Controls Pvt Ltd
Next
0C:CC:47:30:00:00 /28
Shimane Masuda Electronics CO.,LTD.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Sun Yan International Trading Ltd. holds 1 registered blocks in the IEEE registry, ranking #28,554 of 33,421 organizations by block count.