MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix3C:FA:D3:B0:00:00 /28
Vendor address2701, building D2, No.1, Keyuan Weiyi Road, Laoshan District Qingdao Shandong CN China
Country🇨🇳 China
RegisteredNov 14, 2019
Block range3C:FA:D3:B0:00:00– 3C:FA:D3:BF: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
3C:FA:D3:A0:00:00 /28
UltiMachine
Next
3C:FA:D3:C0:00:00 /28
Shenzhen zhong ju Fiber optical Co.Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Corelink Technology Co.,Ltd holds 1 registered blocks in the IEEE registry, ranking #9,207 of 33,427 organizations by block count.