Guangzhou South Satellite Navigation Instrument 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.

PrefixC4:A1:0E:70:00:00 /28

Vendor addressArea A Layer 6, Area A Layer 5, Area A Layer 4, No.39, Sicheng Road, Tianhe District, Guangzhou GuangDong CN 510663

Country🇨🇳 China

RegisteredMar 10, 2022

Block rangeC4:A1:0E:70:00:00– C4:A1:0E: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

C4:A1:0E:70:00:00 C4:A1:0E:77:FF:FF C4:A1:0E:7F:FF:FF

Where this block sits

Previous C4:A1:0E:60:00:00 /28 Hainan World Electronic Science and Techology Co.,Ltd Next C4:A1:0E:80:00:00 /28 Ayla Networks (Shenzhen) Co., Ltd.

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

Guangzhou South Satellite Navigation Instrument Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #14,196 of 33,427 organizations by block count.