MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixAC:64:DD:B0:00:00 /28
Vendor address1117 sainte catherine ouest Montreal Quebec CA H3B1H9
Country🇨🇦 Canada
RegisteredJul 17, 2016
Block rangeAC:64:DD:B0:00:00– AC:64:DD:BF: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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AC:64:DD:A0:00:00 /28
Bluewave Global Manufacturing Limited
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AC:64:DD:C0:00:00 /28
Beijing Hamigua Technology Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Groupe Citypassenger Inc holds 2 registered blocks in the IEEE registry, ranking #2,121 of 33,421 organizations by block count.
Other blocks registered to Groupe Citypassenger Inc