MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixB8:D8:12:B0:00:00 /28
Vendor addressThe Old Granary, 21 High Street Leatherhead Surrey GB KT23 4AA
Country🇬🇧 United Kingdom
RegisteredOct 16, 2015
Block rangeB8:D8:12:B0:00:00– B8:D8:12: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
Previous
B8:D8:12:A0:00:00 /28
Kiwigrid GmbH
Next
B8:D8:12:C0:00:00 /28
Yuwei Info&Tech Development Co.,Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Docobo Limited holds 1 registered blocks in the IEEE registry, ranking #10,596 of 33,427 organizations by block count.