MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:0A:75:00:00:00 /24
Vendor addressMailstop Location AC6130 Mossville IL US 61552-0610
Country🇺🇸 United States
RegisteredAug 3, 2002
Block range00:0A:75:00:00:00– 00:0A:75: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
- Aug 3, 2002 – Feb 9, 2008 Cat Electronics name changedaddress changed
- Feb 9, 2008 – present Caterpillar, Inc
Example addresses in this block
Where this block sits
Previous
00:0A:74:00:00:00 /24
Manticom Networks Inc.
Next
00:0A:76:00:00:00 /24
Beida Jade Bird Huaguang Technology Co.,Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Caterpillar Inc. holds 2 registered blocks in the IEEE registry, ranking #1,698 of 33,427 organizations by block count.