MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix00:8D:F4:40:00:00 /28
Vendor addressCorso Italia 3 Milano Milano IT 20122
Country🇮🇹 Italy
RegisteredOct 20, 2023
Block range00:8D:F4:40:00:00– 00:8D:F4:4F: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
00:8D:F4:30:00:00 /28
Algodue Elettronica Srl
Next
00:8D:F4:50:00:00 /28
Schneider Electric
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Energy Team S.p.A. holds 2 registered blocks in the IEEE registry, ranking #1,966 of 33,421 organizations by block count.
Other blocks registered to Energy Team S.p.A.