Beijing Safesoft Greatmaker Co.,ltd (CC:22:37:50:00:00 /28)

Beijing Safesoft Greatmaker 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:22:37:50:00:00 /28

Vendor addressRoom 501 ,Unit. D, Jinyujiahua Building ,No. 9 ,Shangdi Three Street , Haidian District Beijing CN 100144

Block rangeCC:22:37:50:00:00– CC:22:37:5F: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:22:37:50:00:00 CC:22:37:57:FF:FF CC:22:37:5F:FF:FF