MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix28:A3:31:00:00:00 /24
Vendor address13811 Wireless Way Richmond BC CA V6V 3A4
Country🇨🇦 Canada
RegisteredJan 20, 2022
Block range28:A3:31:00:00:00– 28:A3:31:FF:FF:FF
Address capacity16,777,216
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
- Jan 20, 2022 – May 17, 2023 Sierra Wireless name changed
- May 17, 2023 – present Sierra Wireless, ULC
Example addresses in this block
Where this block sits
Sierra Wireless, ULC holds 6 registered blocks in the IEEE registry, ranking #531 of 33,427 organizations by block count.
Other blocks registered to Sierra Wireless, ULC