ABB Electrification Smart Power (ELSP)
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.
Prefix64:33:B5:70:00:00 /28
Vendor addressPVT. BAG 92609, SYMONDS STREET Auckland NZ 1150
Country🇳🇿 New Zealand
Block range64:33:B5:70:00:00– 64:33:B5:7F: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