MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix38:B1:9E:20:00:00 /28
Vendor addressUnit 23 Link Business Centre Malvern Worcs GB WR14 1UQ
Country🇬🇧 United Kingdom
RegisteredNov 1, 2018
Block range38:B1:9E:20:00:00– 38:B1:9E: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
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
HDANYWHERE holds 2 registered blocks in the IEEE registry, ranking #2,174 of 33,421 organizations by block count.
Other blocks registered to HDANYWHERE