macadress

O-Net Communications (Shenzhen) Limited

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix34:78:77:00:00:00 /24
Vendor address#10-1 South,Maqueling Industrial Park,Nanshan District Shenzhen Guangdong CN 518057
Country🇨🇳  China
RegisteredJul 27, 2010
Block range34:78:77:00:00:00– 34:78:77: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

  1. Jul 27, 2010 – Oct 18, 2016 O-NET Communications(Shenzhen) Limited name changedaddress changed
  2. Oct 18, 2016 – present O-Net Communications (Shenzhen) Limited

Example addresses in this block

34:78:77:00:00:00 34:78:77:7F:FF:FF 34:78:77:FF:FF:FF

Where this block sits

O-Net Communications(Shenzhen)Limited holds 3 registered blocks in the IEEE registry, ranking #1,205 of 33,427 organizations by block count.