MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixCC:F7:22:00:00:00 /28
Vendor address14 rue du printemps Paris FR 75017
Country🇫🇷 France
Block rangeCC:F7:22:00:00:00– CC:F7:22:0F: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
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
OP CORE holds 1 registered blocks in the IEEE registry, ranking #22,126 of 33,498 organizations by block count.