MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1B:6E:00:00:00 /24
Vendor address1400 Fountaingrove Pkwy. Santa Rosa CA US 95403
Country🇺🇸 United States
RegisteredFeb 9, 2007
Block range00:1B:6E:00:00:00– 00:1B:6E: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 9, 2007 – May 24, 2018 Anue Systems, Inc. name changedaddress changed
- May 24, 2018 – present Keysight Technologies, 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.
Keysight Technologies, Inc. holds 5 registered blocks in the IEEE registry, ranking #599 of 33,421 organizations by block count.
Other blocks registered to Keysight Technologies, Inc.