MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixF0:22:1D:C0:00:00 /28
Vendor address2F,Building No.1, Jia'an Industrial Park,No.2 Long Chang Road, Bao'an Shenzhen Guangdong CN 518101
Country🇨🇳 China
RegisteredSep 11, 2022
Block rangeF0:22:1D:C0:00:00– F0:22:1D: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.
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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F0:22:1D:B0:00:00 /28
LK Systems AB
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F0:22:1D:D0:00:00 /28
Schleissheimer Soft- und Hardwareentwicklung GmbH
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Estone Technology LTD holds 1 registered blocks in the IEEE registry, ranking #12,135 of 33,427 organizations by block count.