MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix90:E2:FC:30:00:00 /28
Vendor addressDalang Shenzhen Guangdong CN 518109
Country🇨🇳 China
RegisteredDec 3, 2019
Block range90:E2:FC:30:00:00– 90:E2:FC:3F: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
90:E2:FC:20:00:00 /28
ShenZhen Temwey Innovation Technology Co.,Ltd.
Next
90:E2:FC:40:00:00 /28
Dongguan Kangyong electronics technology Co. Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzhen Hisource Technology Development CO.,Ltd. holds 1 registered blocks in the IEEE registry, ranking #26,517 of 33,427 organizations by block count.