MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix84:B3:86:D0:00:00 /28
Vendor addressBlock A, Zosun Intelligence Creation Zone, No.9 Yizhan Road, Yuanwubian Street Nancheng District Dongguan Guangdong CN 523000
Country🇨🇳 China
RegisteredOct 12, 2022
Block range84:B3:86:D0:00:00– 84:B3:86:DF: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 →
Ownership timeline
- Aug 22, 2026 – Sep 23, 2026 Dongguan Amsamotion Automation Technology Co., Ltd name changed
- Sep 23, 2026 – present Dongguan Amsamotion Automation Technology Co.,Ltd.
Example addresses in this block
Where this block sits
Previous
84:B3:86:C0:00:00 /28
Palomar Products Inc
Next
84:B3:86:E0:00:00 /28
NINGBO XINSUAN TECHNOLOGY CO.,LTD
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Dongguan Amsamotion Automation Technology Co.,Ltd. holds 3 registered blocks in the IEEE registry, ranking #1,009 of 33,427 organizations by block count.
Other blocks registered to Dongguan Amsamotion Automation Technology Co.,Ltd.