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:50:00:00 /28
Vendor address4F?1 No. 258, Lian Cheng Rd, Zhong He Dist New Taipei City 235 Taipei TW 235
Country🇹🇼 Taiwan
RegisteredNov 2, 2023
Block range78:39:2D:50:00:00– 78:39:2D:5F: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.
IO Master Technology holds 2 registered blocks in the IEEE registry, ranking #2,293 of 33,421 organizations by block count.
Other blocks registered to IO Master Technology