MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix50:61:3C:00:00:00 /24
Vendor addressBuilding A2,Donghuan Industrial Zone,No.293,Nanpu Road,Xinqiao Sub-district,Bao'an District,Shenzhen City,Guangdong Province ShenZhen CN 518104
Country🇨🇳 China
RegisteredAug 27, 2026
Block range50:61:3C:00:00:00– 50:61:3C:FF:FF:FF
Address capacity16,777,216
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.
ShenZhen XinZhongXin Technology Co.， Ltd holds 3 registered blocks in the IEEE registry, ranking #1,312 of 33,498 organizations by block count.
Other blocks registered to ShenZhen XinZhongXin Technology Co.， Ltd