MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix30:43:D7:30:00:00 /28
Vendor addressNo.158,Jinchang Road,Jinxi Town,Kunshan City,Jiangsu Province,215324, China Kunshan Jiangsu CN 215324
Country🇨🇳 China
RegisteredJan 19, 2022
Block range30:43:D7:30:00:00– 30:43:D7:3F: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
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30:43:D7:20:00:00 /28
Apollo Infoways Private Limited
Next
30:43:D7:40:00:00 /28
FIBERME COMMUNICATIONS LLC
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Luxshare Electronic Technology (KunShan) Ltd holds 5 registered blocks in the IEEE registry, ranking #607 of 33,427 organizations by block count.
Other blocks registered to Luxshare Electronic Technology (Kunshan) LTD