MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix0C:5C:B5:D0:00:00 /28
Vendor address1611 Headway Circle, Building 1, Suite 200 Austin TX US 78754
Country🇺🇸 United States
RegisteredJan 27, 2021
Block range0C:5C:B5:D0:00:00– 0C:5C:B5:DF: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
0C:5C:B5:C0:00:00 /28
Hunan Newman Car NetworKing Technology Co.,Ltd
Next
0C:5C:B5:E0:00:00 /28
Munters Europe AB
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
BSU Inc holds 1 registered blocks in the IEEE registry, ranking #7,499 of 33,427 organizations by block count.