MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix80:E4:DA:20:00:00 /28
Vendor addressGlebe Road Huntingdon Cambridgeshire GB PE29 7DR
Country🇬🇧 United Kingdom
RegisteredOct 16, 2015
Block range80:E4:DA:20:00:00– 80:E4:DA: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.
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Example addresses in this block
Where this block sits
Previous
80:E4:DA:10:00:00 /28
Guangzhou Pinzhong Electronic Technology CO., LTD
Next
80:E4:DA:30:00:00 /28
Beijing Gaokezhongtian Technology Co Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Thurlby Thandar Instruments LTD holds 2 registered blocks in the IEEE registry, ranking #3,257 of 33,427 organizations by block count.
Other blocks registered to Thurlby Thandar Instruments LTD