MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixB0:FF:72:D0:00:00 /28
Vendor addressNo.15 ShiShan North Road, Dongfu, Haicang District Xiamen Fujian CN 361027
Country🇨🇳 China
RegisteredApr 1, 2023
Block rangeB0:FF:72:D0:00:00– B0:FF:72:DF: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
B0:FF:72:C0:00:00 /28
Hopewheel info.Co.,Ltd.
Next
B0:FF:72:E0:00:00 /28
HANNING & KAHL GmbH & Co. KG
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
TBB Renewable (Xiamen) Co Ltd holds 1 registered blocks in the IEEE registry, ranking #29,244 of 33,427 organizations by block count.