SHANGHAI SUN TELECOMMUNICATION 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.

PrefixF8:1D:78:30:00:00 /28

Vendor addressBuilding No.145, Lane 666 Xianing Road, Jinshan Industrial Zone Shanghai Shanghai CN 201506

RegisteredJun 19, 2016

Block rangeF8:1D:78:30:00:00– F8:1D:78:3F: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

F8:1D:78:30:00:00 F8:1D:78:37:FF:FF F8:1D:78:3F:FF:FF

Where this block sits

Previous F8:1D:78:20:00:00 /28 Xperio Labs Limited Next F8:1D:78:40:00:00 /28 Digital Imaging Technology

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

SHANGHAI SUN TELECOMMUNICATION CO., LTD. holds 1 registered blocks in the IEEE registry, ranking #26,050 of 33,427 organizations by block count.