MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix64:62:66:C0:00:00 /28
Vendor addressAisida Industrial Park,Lanling Road,Danyang Development Zone DanYang JiangSu CN 212300
RegisteredDec 20, 2019
Block range64:62:66:C0:00:00– 64:62:66:CF: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.

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Example addresses in this block

Where this block sits

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

Jiangsu Aisida Electronic Co., Ltd holds 2 registered blocks in the IEEE registry, ranking #2,326 of 33,427 organizations by block count.