MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix5C:6A:EC:30:00:00 /28
Vendor addressRooms 604, 605, 2003, 2004, Building 3, No. 245 Jidian Road, and No. 52 Jichuang Road, China (Shanghai) Pilot Free Trade Zone, Shanghai CN 201206
Country🇨🇳 China
RegisteredDec 8, 2022
Block range5C:6A:EC:30:00:00– 5C:6A:EC:3F: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
5C:6A:EC:20:00:00 /28
Shenzhen Mingyue Technology lnnovation Co.,Ltd
Next
5C:6A:EC:40:00:00 /28
GeneTouch Corp.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shanghai Yunsilicon Technology Co., Ltd. holds 2 registered blocks in the IEEE registry, ranking #2,967 of 33,427 organizations by block count.
Other blocks registered to Shanghai Yunsilicon Technology Co., Ltd.