SHANGHAI CARGOA M.&E.EQUIPMENT CO.LTD (CC:22:37:40:00:00 /28)

SHANGHAI CARGOA M.&E.EQUIPMENT CO.LTD MA-M

MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.

PrefixCC:22:37:40:00:00 /28

Vendor address98 shunda road 9#,nanxiang town, Jianding district Shanghai, 200182P.R. CN 200182

Block rangeCC:22:37:40:00:00– CC:22:37:4F: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

CC:22:37:40:00:00 CC:22:37:47:FF:FF CC:22:37:4F:FF:FF