MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix54:91:AF:90:00:00 /28
Vendor addressUnit 2, 19-21 Bourke Road Alexandria New South Wales AU 2015
Country🇦🇺 Australia
RegisteredMay 31, 2023
Block range54:91:AF:90:00:00– 54:91:AF:9F: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
54:91:AF:80:00:00 /28
Hunan Quanying Electronics Co. , Ltd.
Next
54:91:AF:A0:00:00 /28
Zhuhai SHIXI Technology Co.,Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Asiga Pty Ltd holds 3 registered blocks in the IEEE registry, ranking #918 of 33,427 organizations by block count.
Other blocks registered to Asiga Pty Ltd