MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:25:57:00:00:00 /24
Vendor address440 Phillip Street Waterloo Ontario CA N2L 5W9
Country🇨🇦 Canada
RegisteredFeb 22, 2009
Block range00:25:57:00:00:00– 00:25:57: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
- Feb 22, 2009 – Oct 30, 2015 Research In Motion name changedaddress changed
- Oct 30, 2015 – present BlackBerry RTS
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.
BlackBerry RTS holds 13 registered blocks in the IEEE registry, ranking #233 of 33,421 organizations by block count.
Other blocks registered to BlackBerry RTS
00:0F:86:00:00:00 /24
MA-L
00:1C:CC:00:00:00 /24
MA-L
00:26:FF:00:00:00 /24
MA-L
1C:69:A5:00:00:00 /24
MA-L
34:BB:1F:00:00:00 /24
MA-L
40:6F:2A:00:00:00 /24
MA-L
48:9D:24:00:00:00 /24
MA-L
68:ED:43:00:00:00 /24
MA-L
70:AA:B2:00:00:00 /24
MA-L
94:EB:CD:00:00:00 /24
MA-L
A4:E4:B8:00:00:00 /24
MA-L
F4:0B:93:00:00:00 /24
MA-L