MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix18:C3:F4:60:00:00 /28
Vendor addressIne.2nd Floor,No 39,Region C,Tongpan Road,Gulou District Fuzhou Fujian CN 350000
Country🇨🇳 China
RegisteredJun 1, 2022
Block range18:C3:F4:60:00:00– 18:C3:F4:6F: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
18:C3:F4:50:00:00 /28
Synaptics, Inc
Next
18:C3:F4:70:00:00 /28
Shenzhen Yecon-Tech Co.,Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
VeriFone Systems (China), Inc. holds 2 registered blocks in the IEEE registry, ranking #3,360 of 33,421 organizations by block count.