MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix8C:59:3C:40:00:00 /28
Vendor address3 Midas House Reading Berkshire GB RG7 8EA
Country🇬🇧 United Kingdom
RegisteredApr 9, 2019
Block range8C:59:3C:40:00:00– 8C:59:3C:4F: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
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8C:59:3C:30:00:00 /28
Chongqing beimoting technology co.ltd
Next
8C:59:3C:50:00:00 /28
Spectranetix
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Guralp Systems Limited holds 2 registered blocks in the IEEE registry, ranking #2,138 of 33,427 organizations by block count.
Other blocks registered to Guralp Systems Limited