MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:11:97:00:00:00 /24
Vendor address14 Attenburys Park Estate Timperley Cheshire GB WA14 5QE
Country🇬🇧 United Kingdom
RegisteredJun 15, 2004
Block range00:11:97:00:00:00– 00:11:97: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 →
Example addresses in this block
Where this block sits
Previous
00:11:96:00:00:00 /24
Actuality Systems, Inc.
Next
00:11:98:00:00:00 /24
Prism Media Products Limited
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Monitoring Technologies Limited holds 1 registered blocks in the IEEE registry, ranking #20,230 of 33,421 organizations by block count.