Guangzhou Tianhe High Tech Industrial Development Zone Zhongsheng Electrical Limited Company

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.

Prefix70:50:E7:A0:00:00 /28

Vendor addressD01, Zone D, No. 6 (Yishun), Huangcun North Road, Tianhe District Guangzhou CN 510660

RegisteredMar 23, 2022

Block range70:50:E7:A0:00:00– 70:50:E7:AF: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

70:50:E7:A0:00:00 70:50:E7:A7:FF:FF 70:50:E7:AF:FF:FF

Where this block sits

Previous 70:50:E7:90:00:00 /28 Elastics.cloud Next 70:50:E7:B0:00:00 /28 Beijing Shannoncyber Technology Co.,Ltd

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

Guangzhou Tianhe High Tech Industrial Development Zone Zhongsheng Electrical Limited Company holds 1 registered blocks in the IEEE registry, ranking #14,202 of 33,427 organizations by block count.