MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix4C:65:A8:30:00:00 /28
Vendor address955, Benecia Ave Sunnyvale CA US 94085
Country🇺🇸 United States
RegisteredMar 26, 2017
Block range4C:65:A8:30:00:00– 4C:65:A8:3F: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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4C:65:A8:20:00:00 /28
Orica Europe Pty Ltd & Co KG
Next
4C:65:A8:40:00:00 /28
Plus One Japan Limited
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Roost holds 1 registered blocks in the IEEE registry, ranking #24,772 of 33,427 organizations by block count.