MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:40:20:00:00:00 /24
Vendor addressUnit 1, Kinmel Park Bodelwyddan RHYL GB LL18 5TZ
Country🇬🇧 United Kingdom
RegisteredApr 22, 1998
Block range00:40:20:00:00:00– 00:40:20: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
- Apr 22, 1998 – Aug 18, 2007 PINACL COMMUNICATION name changedaddress changed
- Aug 18, 2007 – Apr 14, 2011 Tyco Electronics (UK) Ltd name changed
- Apr 14, 2011 – Oct 9, 2015 TE Connectivity Ltd. name changedaddress changed
- Oct 9, 2015 – present CommScope 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.
CommScope Inc holds 2 registered blocks in the IEEE registry, ranking #1,770 of 33,427 organizations by block count.