GUANGDONG KERUIDE ELECTRICAL 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.

Prefix90:A9:F7:70:00:00 /28

Vendor addressUnit 3, Floor 6, Building7, Zone A, Hantian Technology City, No. 17 Shenhai Road, Guicheng Sub-district, Nanhai District Foshan Guangdong CN 528251

Country🇨🇳 China

RegisteredSep 7, 2023

Block range90:A9:F7:70:00:00– 90:A9:F7:7F: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

90:A9:F7:70:00:00 90:A9:F7:77:FF:FF 90:A9:F7:7F:FF:FF

Where this block sits

Previous 90:A9:F7:60:00:00 /28 Shenzhen Eevin Technology Co.,Ltd Next 90:A9:F7:80:00:00 /28 BAODING FORLINX EMBEDDEDTECHNOLOGY CO., LTD

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

GUANGDONG KERUIDE ELECTRICAL TECHNOLOGY CO., LTD. holds 1 registered blocks in the IEEE registry, ranking #14,095 of 33,427 organizations by block count.