MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix70:5A:6F:C0:00:00 /28
Vendor address4451 Brookfield Corporate Drive, Suite 111 Chantilly VA US 20151
Country🇺🇸 United States
RegisteredNov 8, 2022
Block range70:5A:6F:C0:00:00– 70:5A:6F:CF: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
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70:5A:6F:B0:00:00 /28
Callidus trading, spol. s r.o.
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70:5A:6F:D0:00:00 /28
PICadvanced SA
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
CoolR Group Inc holds 2 registered blocks in the IEEE registry, ranking #1,787 of 33,421 organizations by block count.
Other blocks registered to CoolR Group Inc