Shenzhen Qichang Intelligent Technology 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:E7:DE:90:00:00 /28
Vendor address13th F, Building 1, West Area, Hongrongyuan HonghuTechnology Park, No.22 Ping'an Road, ZhangxiCommunity, Guanhu Street Shenzhen Guang dong CN 518000
Country🇨🇳 China
Block rangeCC:E7:DE:90:00:00– CC:E7:DE:9F: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
Other blocks registered to Shenzhen Qichang Intelligent Technology Co., Ltd.