MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixA0:22:4E:10:00:00 /28
Vendor address11821 Buckner Rd Austin TX US 78726
Country🇺🇸 United States
RegisteredOct 8, 2019
Block rangeA0:22:4E:10:00:00– A0:22:4E:1F: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 →
Ownership timeline
- Oct 8, 2019 – Nov 17, 2022 rNET Controls name changedaddress changed
- Nov 17, 2022 – present PoE Texas
Example addresses in this block
Where this block sits
Previous
A0:22:4E:00:00:00 /28
Kyung In Electronics
Next
A0:22:4E:20:00:00 /28
Closed Joint-Stock Company "NORSI-TRANS"
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
PoE Texas holds 1 registered blocks in the IEEE registry, ranking #23,190 of 33,421 organizations by block count.