MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:0B:90:00:00:00 /24
Vendor addressADVAntage House York GB YO30 4RY
Country🇬🇧 United Kingdom
RegisteredOct 23, 2002
Block range00:0B:90:00:00:00– 00:0B:90: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
- Oct 23, 2002 – Sep 29, 2007 Covaro Networks, Inc. name changed
- Sep 29, 2007 – Jan 30, 2013 Adva Optical Networking Inc. name changedaddress changed
- Jan 30, 2013 – Jan 31, 2013 ADVA Optical Networking Ltd. name changedaddress changed
- Jan 31, 2013 – Feb 14, 2013 Adva Optical Networking Inc. name changedaddress changed
- Feb 14, 2013 – present ADVA Optical Networking Ltd.
Example addresses in this block
Where this block sits
Previous
00:0B:8F:00:00:00 /24
AKITA ELECTRONICS SYSTEMS CO.,LTD.
Next
00:0B:91:00:00:00 /24
Xovis Germany GmbH
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
ADVA Optical Networking Ltd. holds 7 registered blocks in the IEEE registry, ranking #406 of 33,421 organizations by block count.
Other blocks registered to ADVA Optical Networking Ltd.