CoolR Group Inc (A0:C5:F2:80:00:00 /28)

CoolR Group Inc 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.

PrefixA0:C5:F2:80:00:00 /28

Vendor address4451 Brookfield Corporate Drive, Suite 111 Chantilly VA US 20151

Block rangeA0:C5:F2:80:00:00– A0:C5:F2:8F: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

A0:C5:F2:80:00:00 A0:C5:F2:87:FF:FF A0:C5:F2:8F:FF:FF

Other blocks registered to CoolR Group Inc

70:5A:6F:C0:00:00 /28 MA-M