MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix30:49:50:80:00:00 /28
Vendor addressNanshan Shenzhen CN 518000
Country🇨🇳 China
RegisteredApr 26, 2020
Block range30:49:50:80:00:00– 30:49:50:8F: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
30:49:50:70:00:00 /28
Shenzhen iTG robot Co.,Ltd.
Next
30:49:50:90:00:00 /28
Shanghai gatang technology CO.,LTD
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
SHENZHEN LDROBOT CO., LTD. holds 2 registered blocks in the IEEE registry, ranking #3,010 of 33,427 organizations by block count.
Other blocks registered to SHENZHEN LDROBOT CO., LTD.