Shenzhen Coslight 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.

Prefix9C:E4:50:B0:00:00 /28

Vendor addressRoom 101, Factory Building, No. 2 Guangtian Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen Shenzhen CN 518000

Country🇨🇳 China

RegisteredSep 8, 2025

Block range9C:E4:50:B0:00:00– 9C:E4:50:BF: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

9C:E4:50:B0:00:00 9C:E4:50:B7:FF:FF 9C:E4:50:BF:FF:FF

Where this block sits

Previous 9C:E4:50:A0:00:00 /28 AUO DISPLAY PLUS CORPORATION Next 9C:E4:50:C0:00:00 /28 XTX Markets Technologies Limited

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

Shenzhen Coslight Technology Co.,Ltd. holds 1 registered blocks in the IEEE registry, ranking #26,322 of 33,427 organizations by block count.