MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix24:A3:F0:70:00:00 /28
Vendor addressVIA VARESE,11 SARONNO (VA) IT 21047
Country🇮🇹 Italy
RegisteredSep 6, 2024
Block range24:A3:F0:70:00:00– 24:A3:F0:7F: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
Where this block sits
Previous
24:A3:F0:60:00:00 /28
dissecto GmbH
Next
24:A3:F0:80:00:00 /28
Weihai Hualing Opto-electronics Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
COBAN SRL holds 2 registered blocks in the IEEE registry, ranking #1,755 of 33,427 organizations by block count.
Other blocks registered to COBAN SRL