Hangzhou Kaicom Communication 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.
Prefix7C:CB:E2:70:00:00 /28
Vendor address12th Floor,Block B CONBA Building,No.288 jiangnan Avenue , Binjiang District, Hangzhou, China Hangzhou Zhejiang CN 310051
Block range7C:CB:E2:70:00:00– 7C:CB:E2:7F: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