MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix30:3D:51:B0:00:00 /28
Vendor addressLabman Automation Ltd Seamer Hill Stokesley North Yorkshire GB TS9 5NQ
Country🇬🇧 United Kingdom
RegisteredMay 11, 2022
Block range30:3D:51:B0:00:00– 30:3D:51: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
30:3D:51:A0:00:00 /28
TeraNXT Global India Pvt Ltd.
Next
30:3D:51:C0:00:00 /28
TalkGo, Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Labman Automation holds 1 registered blocks in the IEEE registry, ranking #18,113 of 33,421 organizations by block count.