O-NET Industrial Technologies (Shenzhen) Limited

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.

PrefixC4:A1:0E:50:00:00 /28

Vendor address501, Maile building, building 2, No. 28, Cuijing Road, Zhukeng community, Longtian street, Pingshan District Shenzhen Guangdong CN 518118

Country🇨🇳 China

RegisteredMar 11, 2022

Block rangeC4:A1:0E:50:00:00– C4:A1:0E:5F: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

C4:A1:0E:50:00:00 C4:A1:0E:57:FF:FF C4:A1:0E:5F:FF:FF

Where this block sits

Previous C4:A1:0E:40:00:00 /28 Harbour Cross Technology Ltd Next C4:A1:0E:60:00:00 /28 Hainan World Electronic Science and Techology Co.,Ltd

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

O-NET Industrial Technologies (Shenzhen) Limited holds 1 registered blocks in the IEEE registry, ranking #21,794 of 33,421 organizations by block count.