MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixC4:FF:BC:A0:00:00 /28
Vendor addressLevel 12, 255 George Street Sydney NSW AU 2000
Country🇦🇺 Australia
RegisteredOct 22, 2017
Block rangeC4:FF:BC:A0:00:00– C4:FF:BC:AF: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
Where this block sits
Previous
C4:FF:BC:90:00:00 /28
GSM Innovations Pty Ltd
Next
C4:FF:BC:B0:00:00 /28
KAGA ELECTRONICS CO.,LTD.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Advanced Navigation holds 1 registered blocks in the IEEE registry, ranking #4,212 of 33,421 organizations by block count.