MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixF0:23:B9:B0:00:00 /28
Vendor addressYad Haruzim 29, PO Box 8639 Netanya IL 4250529
Country🇮🇱 Israel
RegisteredFeb 19, 2017
Block rangeF0:23:B9:B0:00:00– F0:23:B9: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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F0:23:B9:A0:00:00 /28
Annapurna labs
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F0:23:B9:C0:00:00 /28
Shenzhen Lachesis Mhealth Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Q Core Medical Ltd holds 1 registered blocks in the IEEE registry, ranking #23,757 of 33,421 organizations by block count.