Lenovo Image(Tianjin) Technology 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.

Prefix44:03:77:40:00:00 /28

Vendor addressTianjin Free Trade Test Zone (Airport Economic Zone) Room 310, No. 1, Second Avenue, Airport International Logistics Zone Tianjin Tianjin CN 300000

Country🇨🇳 China

RegisteredAug 22, 2019

Block range44:03:77:40:00:00– 44:03:77:4F: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

44:03:77:40:00:00 44:03:77:47:FF:FF 44:03:77:4F:FF:FF

Where this block sits

Previous 44:03:77:30:00:00 /28 Annapurna labs Next 44:03:77:50:00:00 /28 Norden Communication UK Ltd.

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

Lenovo Image(Tianjin) Technology Ltd. holds 1 registered blocks in the IEEE registry, ranking #18,366 of 33,421 organizations by block count.