Shenzhen Xiangrui Shixian 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.

Prefix04:C9:8B:D0:00:00 /28

Vendor addressRoom 408, 4/F, 7 Heping Industrial Park, Heping Road, Yucui Community, Longhua Sub-district, Longhua District Shenzhen Guangdong CN 518057

Country🇨🇳 China

RegisteredMar 27, 2025

Block range04:C9:8B:D0:00:00– 04:C9:8B:DF: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

04:C9:8B:D0:00:00 04:C9:8B:D7:FF:FF 04:C9:8B:DF:FF:FF

Where this block sits

Previous 04:C9:8B:C0:00:00 /28 Rovox Solutions Sdn Bhd Next 04:C9:8B:E0:00:00 /28 Agile Workspace Limited

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

Shenzhen Xiangrui Shixian Technology Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #27,028 of 33,421 organizations by block count.