Shenzhen Hewang Electric 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.

Prefix50:A0:30:70:00:00 /28

Vendor address5th Floor, building 6, No. 2 Industrial Zone, Guanlong village, Xili town, Nanshan district, Shenzhen CN 518000

Country🇨🇳 China

RegisteredOct 24, 2021

Block range50:A0:30:70:00:00– 50:A0:30:7F: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

50:A0:30:70:00:00 50:A0:30:77:FF:FF 50:A0:30:7F:FF:FF

Where this block sits

Previous 50:A0:30:60:00:00 /28 Abacus Research AG Next 50:A0:30:80:00:00 /28 GE Medical System China Co. Ltd.

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

Shenzhen Hewang Electric Co.,Ltd holds 1 registered blocks in the IEEE registry, ranking #26,499 of 33,421 organizations by block count.