MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix90:E2:FC:90:00:00 /28
Vendor addressKarenslyst Allé 51 Oslo NO 0279
Country🇳🇴 Norway
RegisteredDec 3, 2019
Block range90:E2:FC:90:00:00– 90:E2:FC:9F: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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90:E2:FC:80:00:00 /28
bitsensing Inc.
Next
90:E2:FC:A0:00:00 /28
Power Engineering & Manufacturing, Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Huddly AS holds 1 registered blocks in the IEEE registry, ranking #15,209 of 33,421 organizations by block count.