macadress

2Wire Inc

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixDC:7F:A4:00:00:00 /24
Vendor address1764 Automation Parkway San Jose US 95131
Country🇺🇸  United States
RegisteredApr 21, 2015
Block rangeDC:7F:A4:00:00:00– DC:7F:A4: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. Apr 21, 2015 – Oct 17, 2015 2Wire name changedaddress changed
  2. Oct 17, 2015 – present 2Wire Inc

Example addresses in this block

DC:7F:A4:00:00:00 DC:7F:A4:7F:FF:FF DC:7F:A4:FF:FF:FF

Where this block sits

2Wire Inc holds 34 registered blocks in the IEEE registry, ranking #102 of 33,421 organizations by block count.

Other blocks registered to 2Wire Inc

00:0D:72:00:00:00 /24 MA-L 00:12:88:00:00:00 /24 MA-L 00:14:95:00:00:00 /24 MA-L 00:18:3F:00:00:00 /24 MA-L 00:19:E4:00:00:00 /24 MA-L 00:1A:C4:00:00:00 /24 MA-L 00:1B:5B:00:00:00 /24 MA-L 00:1D:5A:00:00:00 /24 MA-L 00:1E:C7:00:00:00 /24 MA-L 00:1F:B3:00:00:00 /24 MA-L 00:21:7C:00:00:00 /24 MA-L 00:22:A4:00:00:00 /24 MA-L