Wuxi Sunning Smart Devices Co.,Ltd (90:F4:21:60:00:00 /28)

Wuxi Sunning Smart Devices 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:F4:21:60:00:00 /28

Vendor addressNo.52, Zone C, Huigu Pioneer Park, Huishan Economic Development Zone, Wuxi Wuxi Jiangsu CN 214174

Block range90:F4:21:60:00:00– 90:F4:21:6F: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:F4:21:60:00:00 90:F4:21:67:FF:FF 90:F4:21:6F:FF:FF

Other blocks registered to Wuxi Sunning Smart Devices Co.,Ltd

F4:20:55:D0:00:00 /28 MA-M