Hui Zhou Gaoshengda Technology Co.,LTD

MA-L

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

Prefix78:66:9D:00:00:00 /24

Vendor addressNo.2, Jin-da Road, Huinan High-tech Industrial Park, Hui-ao Avenue Huizhou Guangdong CN 516025

RegisteredFeb 25, 2022

Block range78:66:9D:00:00:00– 78:66:9D: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

78:66:9D:00:00:00 78:66:9D:7F:FF:FF 78:66:9D:FF:FF:FF

Where this block sits

Next 78:66:A5:00:00:00 /24 Chipsea Technologies (Shenzhen) Crop.

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

Hui Zhou Gaoshengda Technology Co.,LTD holds 54 registered blocks in the IEEE registry, ranking #64 of 33,427 organizations by block count.

Other blocks registered to Hui Zhou Gaoshengda Technology Co.,LTD

00:BF:AF:00:00:00 /24 MA-L 04:F4:D8:00:00:00 /24 MA-L 0C:62:A6:00:00:00 /24 MA-L 0C:79:55:00:00:00 /24 MA-L 0C:91:60:00:00:00 /24 MA-L 10:3D:0A:00:00:00 /24 MA-L 14:14:16:00:00:00 /24 MA-L 14:EA:63:00:00:00 /24 MA-L 1C:1E:E3:00:00:00 /24 MA-L 1C:30:08:00:00:00 /24 MA-L 20:F5:43:00:00:00 /24 MA-L 24:3F:75:00:00:00 /24 MA-L