Shenzhen Dynamax Software Development Co.,Ltd. (28:CD:9C:00:00:00 /24)

Shenzhen Dynamax Software Development Co.,Ltd. MA-L

MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.

Prefix28:CD:9C:00:00:00 /24

Vendor addressRoom 425-426,Block A,No.30,Hangkong Road Shenzhen Guangdong CN 518000

Block range28:CD:9C:00:00:00– 28:CD:9C:FF:FF:FF

Address capacity16,777,216

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

28:CD:9C:00:00:00 28:CD:9C:7F:FF:FF 28:CD:9C:FF:FF:FF