MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:18:43:00:00:00 /24
Vendor address197 High Street Cottenham Cambridge GB CB4 8RX
Country🇬🇧 United Kingdom
RegisteredJun 13, 2006
Block range00:18:43:00:00:00– 00:18:43: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
00:18:42:00:00:00 /24
Nokia Danmark A/S
Next
00:18:44:00:00:00 /24
Heads Up Technologies, Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Dawevision Ltd holds 1 registered blocks in the IEEE registry, ranking #9,964 of 33,421 organizations by block count.