MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix78:39:2D:C0:00:00 /28
Vendor addressRoom 1101, 11th Floor, Building 11, China Israel Changzhou Innovation Park, No. 18-67 Changwu Middle Road, Wujin District Changzhou City Jiangsu Province CN 213100
Country🇨🇳 China
RegisteredNov 2, 2023
Block range78:39:2D:C0:00:00– 78:39:2D:CF: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.
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Example addresses in this block
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Jiangsu Yibang New Energy Technology Co., LTD holds 1 registered blocks in the IEEE registry, ranking #17,155 of 33,427 organizations by block count.