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:D7:60:00:00 /28
Vendor addressArea A 3rd Floor, Area A 5rd Floor and 6th Floor, 301, building 2, 7th Industrial Park, Yulv Community,Yutang Street, Guangming District, Shenzhen CN 518000
Country🇨🇳 China
RegisteredJan 20, 2022
Block range30:43:D7:60:00:00– 30:43:D7:6F: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
30:43:D7:50:00:00 /28
Shenzhen Mees Hi-Tech Co., Ltd
Next
30:43:D7:70:00:00 /28
DIGICITI Technology Co.,Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Sprocomm Technologies Co., Ltd.Guangming Branch holds 1 registered blocks in the IEEE registry, ranking #28,240 of 33,427 organizations by block count.