MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixD4:A0:FB:E0:00:00 /28
Vendor addressNo3/2/13 Ta Thanh Oai, Thanh Tri district Hanoi Vietnam VN 10000
Country🇻🇳 Vietnam
RegisteredJun 12, 2025
Block rangeD4:A0:FB:E0:00:00– D4:A0:FB:EF: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.
GTEK GLOBAL CO.,LTD holds 1 registered blocks in the IEEE registry, ranking #14,060 of 33,421 organizations by block count.