MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixEC:A7:B1:70:00:00 /28
Vendor addressRoom 209,Bldg.1B,Software Industry Base,No.1003Keyuan Rd,Nanshan Shenzhen Guangdong CN 518000
Country🇨🇳 China
RegisteredAug 3, 2024
Block rangeEC:A7:B1:70:00:00– EC:A7:B1:7F: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
EC:A7:B1:60:00:00 /28
Digital Audio Labs
Next
EC:A7:B1:80:00:00 /28
Shenzhen zhst video technology co.,ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzhen Lanroot Technology Co., Ltd holds 1 registered blocks in the IEEE registry, ranking #26,652 of 33,427 organizations by block count.