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:9F:0D:60:00:00 /28
Vendor address18F 5D First Area, Shenzhen Bay Eco-tech Park, Nanshan District, Shenzhen 518057, China Shenzhen City (深圳市) Guangdong CN 518057
Country🇨🇳 China
RegisteredAug 13, 2017
Block rangeEC:9F:0D:60:00:00– EC:9F:0D: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
EC:9F:0D:50:00:00 /28
Paw-Taw-John Services, Inc.
Next
EC:9F:0D:70:00:00 /28
Bei jing Lian Shan times Techonology Co.Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzhen Compare Electronics Co., Ltd holds 1 registered blocks in the IEEE registry, ranking #26,312 of 33,427 organizations by block count.