MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix20:CE:2A:70:00:00 /28
Vendor addressRoom 318,the 3rd Floorl,Xingtianhaiyuan Building,Xianghuangqi East Rd,Nongda South Rd, Haidian District,Beijing,P.R.C Bei Jing CN 100193
Country🇨🇳 China
RegisteredFeb 11, 2021
Block range20:CE:2A:70:00:00– 20:CE:2A:7F: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.
Beijing Huadianzhongxin Tech.Co.,Ltd holds 2 registered blocks in the IEEE registry, ranking #1,605 of 33,427 organizations by block count.
Other blocks registered to Beijing Huadianzhongxin Tech.Co.,Ltd