Beijing VControl Technology 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.

Prefix80:0A:80:30:00:00 /28

Vendor addressQinghe Anning Road, Wuyougang building #22 Beijing Haidian CN 100085

RegisteredOct 16, 2015

Block range80:0A:80:30:00:00– 80:0A:80:3F: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

80:0A:80:30:00:00 80:0A:80:37:FF:FF 80:0A:80:3F:FF:FF

Where this block sits

Previous 80:0A:80:20:00:00 /28 Sumitomo Wiring Systems, Ltd. Next 80:0A:80:40:00:00 /28 LLVISION TECHNOLOGY CO.,LTD

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

Beijing VControl Technology Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #6,747 of 33,427 organizations by block count.