MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:F3:20:00 /36
Vendor addressINVT Guangming Technology Building,Songbai Road ShenZhen Matian,Guangming District CN 518106
Country🇨🇳 China
RegisteredNov 3, 2021
Block range8C:1F:64:F3:20:00– 8C:1F:64:F3:2F:FF
Address capacity4,096
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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8C:1F:64:F3:10:00 /36
International Water Treatment Maritime AS
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8C:1F:64:F3:30:00 /36
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The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzhen INVT Electric Co.,Ltd holds 3 registered blocks in the IEEE registry, ranking #1,286 of 33,427 organizations by block count.
Other blocks registered to Shenzhen INVT Electric Co.,Ltd