MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix58:E8:76:70:00:00 /28
Vendor addressStowfield House Lydbrook Gloucestershire GB GL17 9PD
Country🇬🇧 United Kingdom
RegisteredMay 7, 2016
Block range58:E8:76:70:00:00– 58:E8:76:7F: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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58:E8:76:60:00:00 /28
DivioTec Inc.
Next
58:E8:76:80:00:00 /28
Chengdu Vision-Zenith Technology Co.,Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Chronos Technology Ltd. holds 2 registered blocks in the IEEE registry, ranking #1,732 of 33,427 organizations by block count.
Other blocks registered to Chronos Technology Ltd.