MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixFC:CD:2F:70:00:00 /28
Vendor address?225 Jinfeng Road?Suzhou New District?Jiangsu Province suzhou CN 215129
Country🇨🇳 China
RegisteredAug 20, 2020
Block rangeFC:CD:2F:70:00:00– FC:CD:2F:7F: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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FC:CD:2F:60:00:00 /28
Annapurna labs
Next
FC:CD:2F:80:00:00 /28
Asesorias y Servicios Innovaxxion SPA
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Suzhou lehui display co.,ltd holds 1 registered blocks in the IEEE registry, ranking #28,694 of 33,421 organizations by block count.