Yantai Dongfang Wisdom Electic 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.

Prefix0C:FE:5D:40:00:00 /28

Vendor address6 Jindu Road Yantai Shandong CN 264003

RegisteredAug 12, 2018

Block range0C:FE:5D:40:00:00– 0C:FE:5D:4F: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

0C:FE:5D:40:00:00 0C:FE:5D:47:FF:FF 0C:FE:5D:4F:FF:FF

Where this block sits

Previous 0C:FE:5D:30:00:00 /28 Beijing WayClouds Technology Co., Ltd. Next 0C:FE:5D:50:00:00 /28 SELECTRIC Nachrichten-Systeme GmbH

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

Yantai Dongfang Wisdom Electic Co.,Ltd. holds 1 registered blocks in the IEEE registry, ranking #32,886 of 33,421 organizations by block count.