MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:18:85:00:00:00 /24
Vendor address500 W Monroe Street, Ste 4400 Chicago IL US 60661-3781
Country🇺🇸 United States
RegisteredJun 13, 2006
Block range00:18:85:00:00:00– 00:18:85: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
- Jun 13, 2006 – Jan 28, 2021 Avigilon Corporation name changedaddress changedcountry changed
- Jan 28, 2021 – present Motorola Solutions Inc.
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.
Motorola Solutions Inc. holds 4 registered blocks in the IEEE registry, ranking #782 of 33,421 organizations by block count.
Other blocks registered to Motorola Solutions Inc.