MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix50:A4:D0:20:00:00 /28
Vendor addressBøgekildevej 4 Hasselager Danmark DK 8361
Country🇩🇰 Denmark
RegisteredOct 30, 2016
Block range50:A4:D0:20:00:00– 50:A4:D0:2F: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.
Curious how a prefix like this turns into a full address? See how MAC addresses are structured →
Example addresses in this block
Where this block sits
Previous
50:A4:D0:10:00:00 /28
Beijing ANTVR Technology Co., LTD
Next
50:A4:D0:30:00:00 /28
Guangzhou Hysoon Electronic Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Seneco A/S holds 2 registered blocks in the IEEE registry, ranking #2,929 of 33,427 organizations by block count.
Other blocks registered to Seneco A/S