Shanghai Dabuziduo Information and Technology Co., Ltd. (CC:E7:DE:70:00:00 /28)

Shanghai Dabuziduo Information and 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:70:00:00 /28

Vendor address#818, #298 Guoxia Rd, Yangpu Dist Shanghai Shanghai CN 200000

Block rangeCC:E7:DE:70:00:00– CC:E7:DE: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

CC:E7:DE:70:00:00 CC:E7:DE:77:FF:FF CC:E7:DE:7F:FF:FF