United Power Research Technology Corp.

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.

Prefix98:02:D8:20:00:00 /28

Vendor address8F.-5,No.83,Sec.2,Dongda Rd.,North Dist., Hsinchu City Taiwan TW 300

RegisteredOct 16, 2015

Block range98:02:D8:20:00:00– 98:02:D8:2F: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

98:02:D8:20:00:00 98:02:D8:27:FF:FF 98:02:D8:2F:FF:FF

Where this block sits

Previous 98:02:D8:10:00:00 /28 SHENZHEN ATEKO PHOTOELECTRICITY CO LTD Next 98:02:D8:30:00:00 /28 Grammer EiA Electronics nv

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

United Power Research Technology Corp. holds 1 registered blocks in the IEEE registry, ranking #30,996 of 33,421 organizations by block count.