i-Trinetech Co.,Ltd.

MA-M

MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.

PrefixCC:1B:E0:20:00:00 /28

Vendor address4th FL.,East Wing of M-8 Building,Sparrow Ridge Industrial Zone,Science&Technology Park,Nanshan District.,Shenzhen City Shenzhen Guangdong CN 518057

Country🇨🇳 China

RegisteredOct 16, 2015

Block rangeCC:1B:E0:20:00:00– CC:1B:E0:2F: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

CC:1B:E0:20:00:00 CC:1B:E0:27:FF:FF CC:1B:E0:2F:FF:FF

Where this block sits

Previous CC:1B:E0:10:00:00 /28 Beijing Daotongtianxia Co.Ltd. Next CC:1B:E0:30:00:00 /28 Shenzhen Vanstor Technology Co.,Ltd

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

i-Trinetech Co.,Ltd. holds 1 registered blocks in the IEEE registry, ranking #15,436 of 33,427 organizations by block count.