Qingting Intelligent Technology（Suzhou）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.

Prefix4C:6E:44:30:00:00 /28

Vendor addressRoom 302, 3rd Floor, R&D Building 9, No. 9, 1999 Songjia Road, Guoxiang Street, Wuzhong Economic Development Zone Suzhou JiangSu CN 215000

Country🇨🇳 China

RegisteredApr 10, 2026

Block range4C:6E:44:30:00:00– 4C:6E:44:3F: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

4C:6E:44:30:00:00 4C:6E:44:37:FF:FF 4C:6E:44:3F:FF:FF

Where this block sits

Previous 4C:6E:44:20:00:00 /28 Accutrol LLC Next 4C:6E:44:50:00:00 /28 Shenzhen Langji Guangnian Technology Co., Ltd.

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

Qingting Intelligent Technology（Suzhou）Co.,Ltd. holds 1 registered blocks in the IEEE registry, ranking #23,831 of 33,421 organizations by block count.