MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix1C:FD:08:80:00:00 /28
Vendor addressDistrict A of Fifth Floor,Building E,Guancheng Low Carbon Industrial Park, Shangcun Community,Gongming Street,Guangming District Shenzhen CN 518106
Country🇨🇳 China
RegisteredJul 29, 2018
Block range1C:FD:08:80:00:00– 1C:FD:08:8F: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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1C:FD:08:70:00:00 /28
sunweit industrial limited
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1C:FD:08:90:00:00 /28
Cobham Slip Rings
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
ShenZhen DeLippo Technology Co., LTD holds 1 registered blocks in the IEEE registry, ranking #26,340 of 33,421 organizations by block count.