MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixC8:F1:0A:50:00:00 /28
Vendor address1st/2nd/east of 3rd/4th Floor of Building 1, 1st/14th/15th Floor of Building 6, Changyi Industrial Park, No. 1 of Lirong Road, Xinshi Community, Dalang Street, Longhua District Shenzhen Guangdong CN 518110
Block rangeC8:F1:0A:50:00:00– C8:F1:0A:5F: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.

Shenzhen DO Intelligent Technology Co., Ltd holds 1 registered blocks in the IEEE registry, ranking #26,349 of 33,421 organizations by block count.