MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:09:3A:00:00:00 /24
Vendor address5224 Katrine Avenue Downers Grove IL US 60515
Country🇺🇸 United States
RegisteredMar 29, 2002
Block range00:09:3A:00:00:00– 00:09:3A: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
- Mar 29, 2002 – Dec 20, 2016 Molex Fiber Optics name changed
- Dec 20, 2016 – Aug 29, 2018 Molex name changedaddress changed
- Aug 29, 2018 – present Molex CMS
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.
Molex CMS holds 3 registered blocks in the IEEE registry, ranking #1,183 of 33,421 organizations by block count.
Other blocks registered to Molex CMS