MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixF0:12:04:B0:00:00 /28
Vendor addressRm 2502, Block B, Zhantao Buidling, No.1079, Mingzhi Rd, Minzhi Str, Longhua Distr Shenzhen Guangdong CN 518109
Country🇨🇳 China
RegisteredApr 29, 2025
Block rangeF0:12:04:B0:00:00– F0:12:04:BF: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
F0:12:04:A0:00:00 /28
Astrome Technoogies Pvt Ltd
Next
F0:12:04:C0:00:00 /28
FairPhone B.V.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
HoneyComm IoT Technology(Shenzhen)Co.,Ltd. holds 1 registered blocks in the IEEE registry, ranking #15,052 of 33,421 organizations by block count.