MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix90:4E:91:20:00:00 /28
Vendor address221 N. 1st. St., Suite 310 Minneapolis MN US 55401
Country🇺🇸 United States
RegisteredJun 4, 2017
Block range90:4E:91:20:00:00– 90:4E:91:2F: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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90:4E:91:10:00:00 /28
Apollo Video Technology
Next
90:4E:91:30:00:00 /28
Great Talent Technology Limited
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
North Pole Engineering, Inc. holds 3 registered blocks in the IEEE registry, ranking #1,199 of 33,421 organizations by block count.
Other blocks registered to North Pole Engineering, Inc.