MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix84:39:BE:A0:00:00 /28
Vendor addressVia Cristoforo Baioni 9 Bergamo BG IT 24123
Country🇮🇹 Italy
RegisteredSep 12, 2015
Block range84:39:BE:A0:00:00– 84:39:BE:AF: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
84:39:BE:90:00:00 /28
Guangdong SunMeng Information Technology Co. Ltd.
Next
84:39:BE:B0:00:00 /28
Shenzhen Horn Audio Co.,Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Emotiq s.r.l. holds 1 registered blocks in the IEEE registry, ranking #11,709 of 33,427 organizations by block count.