MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixE8:18:63:20:00:00 /28
Vendor addressRoom 2408, No 2 Building, 335# Guoding Road Shanghai Shanghai CN 200433
Country🇨🇳 China
RegisteredOct 16, 2015
Block rangeE8:18:63:20:00:00– E8:18:63:2F: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
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E8:18:63:10:00:00 /28
clabsys
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E8:18:63:30:00:00 /28
DongGuan Pengxun Electronics Technology Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
AVCON Information Technology Co.,Ltd holds 2 registered blocks in the IEEE registry, ranking #1,569 of 33,421 organizations by block count.