PALAZZETTI LELIO SPA

MA-M

MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.

Prefix40:F3:85:70:00:00 /28

Vendor addressVIA ROVEREDO 103 PORCIA PORDENONE IT 33080

RegisteredNov 13, 2016

Block range40:F3:85:70:00:00– 40:F3:85:7F: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

40:F3:85:70:00:00 40:F3:85:77:FF:FF 40:F3:85:7F:FF:FF

Where this block sits

Previous 40:F3:85:60:00:00 /28 Lennox International Incorporated Next 40:F3:85:80:00:00 /28 Great Talent Technology Limited

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

PALAZZETTI LELIO SPA holds 1 registered blocks in the IEEE registry, ranking #22,534 of 33,427 organizations by block count.