MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix10:5A:F7:00:00:00 /24
Vendor addressViale Sarca 222 Milan Italy IT 20126
Country🇮🇹 Italy
RegisteredNov 2, 2016
Block range10:5A:F7:00:00:00– 10:5A:F7:FF:FF:FF
Address capacity16,777,216
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
ADB Italia holds 2 registered blocks in the IEEE registry, ranking #1,445 of 33,421 organizations by block count.
Other blocks registered to ADB Italia