Energybox Limited (70:B3:D5:FA:40:00 /36)

Energybox Limited MA-S

MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.

Prefix70:B3:D5:FA:40:00 /36

Vendor address8/F., Green 18, HK Science Park Sha Tin Hong Kong HK 0000

Block range70:B3:D5:FA:40:00– 70:B3:D5:FA:4F:FF

Address capacity4,096

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

70:B3:D5:FA:40:00 70:B3:D5:FA:47:FF 70:B3:D5:FA:4F:FF

Other blocks registered to Energybox Limited

0C:5C:B5:70:00:00 /28 MA-M