MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix18:74:E2:80:00:00 /28
Vendor addressUnit 12.1 - 12.2, 11-29 Fashion Street London GB E1 6PX
Country🇬🇧 United Kingdom
RegisteredMar 31, 2021
Block range18:74:E2:80:00:00– 18:74:E2:8F: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
18:74:E2:70:00:00 /28
Sansec Technology Co.,Ltd
Next
18:74:E2:90:00:00 /28
SHENZHEN AORO COMMUNICATION EQUIPMENT CO., LTD
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Kano Computing Limited holds 1 registered blocks in the IEEE registry, ranking #17,458 of 33,427 organizations by block count.