ATN International Limited

MA-L

MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.

Prefix34:28:F0:00:00:00 /24

Vendor address4210, Office Tower, Convention Plaza Hong Kong Hong Kong HK 00000

RegisteredJul 3, 2014

Block range34:28:F0:00:00:00– 34:28:F0: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

34:28:F0:00:00:00 34:28:F0:7F:FF:FF 34:28:F0:FF:FF:FF

Where this block sits

ATN International Limited holds 1 registered blocks in the IEEE registry, ranking #5,800 of 33,421 organizations by block count.