G-Innovations Vietnam

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.

Prefix08:3C:03:70:00:00 /28

Vendor address12th Floor, G-Group Tower, No. 5 Nguyen Thi Due Street, Yen Hoa Ward Hanoi City VN 10000

RegisteredJan 12, 2026

Block range08:3C:03:70:00:00– 08:3C:03:7F: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

08:3C:03:70:00:00 08:3C:03:77:FF:FF 08:3C:03:7F:FF:FF

Where this block sits

Previous 08:3C:03:60:00:00 /28 Jiaxing UPhoton Optoelectronics Technology Co., Ltd. Next 08:3C:03:80:00:00 /28 GS Industrie-Elektronik GmbH

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

G-Innovations Vietnam holds 1 registered blocks in the IEEE registry, ranking #13,249 of 33,421 organizations by block count.