MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix68:91:D0:C0:00:00 /28
Vendor addressNorth Ave. and Schmale Road P.O. Box 7900 Wheaton IL US 60187-7901
Country🇺🇸 United States
RegisteredMar 6, 2016
Block range68:91:D0:C0:00:00– 68:91:D0: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.
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Example addresses in this block
Where this block sits
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68:91:D0:B0:00:00 /28
Altis Technology
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68:91:D0:D0:00:00 /28
Fuzhou x-speed information technology Co.,Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Spraying Systems Co. holds 1 registered blocks in the IEEE registry, ranking #28,228 of 33,421 organizations by block count.