MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixC0:FB:F9:A0:00:00 /28
Vendor addressTiandi(Changzhou) Automation Co., Ltd. Changzhou Jiangsu CN 213015
Country🇨🇳 China
RegisteredMar 13, 2021
Block rangeC0:FB:F9:A0:00:00– C0:FB:F9: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
C0:FB:F9:90:00:00 /28
zxsolution
Next
C0:FB:F9:B0:00:00 /28
SHENZHEN COMIX HST CLOUD COMPUTING CO., LTD.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Tiandi(Changzhou) Automation Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #30,038 of 33,427 organizations by block count.